500 Year Diary   

 The First  Doctor

100,000 BC by Anthony Coburn, directed by Waris Hussein
Following their strange pupil, Susan Foreman, home one night, schoolteachers Ian Chesterton and Barbara Wright soon find themselves flung off into time and space. Home turns out to be a time machine, the TARDIS, whose outer appearance of a battered police box leads to a dizzyingly immense interior. The TARDIS is owned by Susan's grandfather, the Doctor, and the two are really alien wanderers in the fourth dimension. The Doctor, Susan, Ian and Barbara find themselves back in the time of the caveman. Captured by the natives, the four must find a way to escape back to the TARDIS before they are sacrificed by a tribe which is trying to regain the secret of making fire.
Ian and Barbara join the Doctor and Susan in their travels during this story. (Working Title: The Tribe Of Gum. Also frequently referred to as An Unearthly Child.)
 

The Daleks by Terry Nation, directed by Christopher Barry and Richard Martin
As the Doctor tries in vain to return Ian and Barbara to their own time, the companions find themselves on the planet Skaro where they ally with the peaceful Thals against the genocidal Daleks, mutated creatures housed inside robotic travelling machines. (Actual title is The Mutants, unused to avoid confusion with a later story of the same name. Working Titles: The Survivors, Beyond The Sun. Also occasionally referred to as The Dead Planet.)
 

Inside The Spaceship by David Whitaker, directed by Richard Martin and Frank Cox
Something is very wrong with the TARDIS -- the doors open to reveal a white void, clock faces melt, and each of its occupants behave in erratic and increasingly paranoid manners. Has some strange force invaded the TARDIS, or is one of the time travellers actually sabotaging the Ship? (Frequently referred to as The Edge of Destruction.)
 

Marco Polo by John Lucarotti, directed by Waris Hussein and John Crockett
The TARDIS lands in 1289 China, where it is seized by Marco Polo who intends to present it as a gift to Kublai Khan, in the hopes it will win his freedom. The companions must accompany Polo as he travels to the court in Peking, and at the same time unearth the malevolent plottings of Tegana, an agent of a rival warlord whose mission is to assassinate the Khan. (Working Title: A Journey To Cathay. All seven episodes of this story are missing.)
 

The Keys Of Marinus by Terry Nation, directed by John Gorrie
On the planet Marinus, the scientist Arbitan locks the travellers out of the TARDIS in a desperate bid to convince them to attempt a quest to find the lost keys which power the Conscience of Marinus, a powerful computer which is Marinus' last hope against the onslaught of Yartek and his evil Voords.
 

The Aztecs by John Lucarotti, directed by John Crockett
In 1430 South America, Barbara is mistaken by the Aztecs as the reincarnation of the High Priest Yetaxa. Now regarded as a living deity, Barbara wages a war with her own conscience as she tries to decide whether to change history and end the Aztec practice of human sacrifice.
 

The Sensorites by Peter R. Newman, directed by Mervyn Pinfield and Frank Cox
The TARDIS lands on an Earth spaceship orbiting the Sense-Sphere in the 30th century. Having made contact with the Sense-Sphere's reclusive inhabitants, the telepathic Sensorites, the Doctor must discover the source of a poison which has debilitated both Ian and most of the Sensorite race, whilst avoiding the machinations of an opportunistic Sensorite who sees the chaos as the chance to seize power for himself.
 

The Reign Of Terror by Dennis Spooner, directed by Henric Hirsch
Susan and Barbara are captured during the dying days of France's infamous Reign of Terror, and sent to the Bastille to await the guillotine. Meanwhile, Ian attempts to find British spy James Stirling, bearing the vital message of a dying man, and the Doctor gets caught up in the intrigue of the French Revolution. (Episodes four and five are missing.)
 

Planet Of Giants by Louis Marks, directed by Mervyn Pinfield and Douglas Camfield
When the TARDIS' doors open in mid-flight, the companions emerge to find themselves reduced to just inches in height. Barbara becomes poisoned by a new form of insecticide, while the others try to stop the murderous plans of an unscrupulous businessman to sell the insecticide despite its harmful effects on the environment. (Working Title: The Miniscules.)
 

The Dalek Invasion Of Earth by Terry Nation, directed by Richard Martin
The time travellers find themselves on Earth in the mid-22nd century... and the Daleks have invaded. Allying themselves with a small band of freedom fighters, the companions try to reclaim the planet for humankind, and discover the true purpose of the Daleks' mining operations in Bedfordshire.
At the end of this story, Susan falls in love with rebel David Campbell. The Doctor, realizing Susan will never leave him unless he makes her, locks her out of the TARDIS and dematerializes without her. (Working Titles: The Daleks (II), The Return Of The Daleks.)
 

The Rescue by David Whitaker, directed by Christopher Barry
On the planet Dido in the year 2493, the Doctor, Ian and Barbara discover the indigenous civilization has been eradicated. Furthermore, the entire crew of a crashed Earth spaceship has been murdered, with the exception of the crippled Dortmunn and the orphan Vicki, who are being terrorized by the monstrous Koquillion.
At the story's conclusion, Vicki joins the TARDIS crew. (Working Title: Doctor Who And Tanni.)
 

The Romans by Dennis Spooner, directed by Christopher Barry
Whilst vacationing in 64 AD Rome, Ian and Barbara are kidnapped and sold as slaves. Ian ends up on a galley ship, Barbara becomes a handmaiden in Nero's palace pursued by the lusty Caesar himself, and the Doctor and Vicki become caught up in the events leading to the Great Fire of Rome.
 

The Web Planet by Bill Strutton, directed by Richard Martin
The TARDIS is lured to the planet Vortis, where the time travellers find themselves aiding the exiled, butterfly-like Menoptra regain their planet from the evil Animus, a strange alien force which has turned the ant-like Zarbi into its minions.
 

The Crusade by David Whitaker, directed by Douglas Camfield
In 12th-century Palestine, Barbara is kidnapped by the evil Emir El Akir while Ian is knighted for helping save the life of King Richard. The Doctor and Vicki are entangled in Richard's attempts to force his sister Joanna to marry Saphadin, brother of the Saracen leader Saladin, in order to end the Crusade, whilst Ian goes in search of their lost companion. (Working Title: The Saracen Hordes. Episodes one, two and four of this story are missing.)
 

The Space Museum by Glyn Jones, directed by Mervyn Pinfield
When the TARDIS jumps a time track, the travellers discover they are destined to become exhibits in a museum on Xeros run by the warlike Moroks. Teaming with the native Xerons, the companions try to overthrow the dictators and avert their horrible destiny.
 

The Chase by Terry Nation, directed by Richard Martin
The Daleks manage to construct their own time machine and begin pursuing the TARDIS across time and space. The chase brings the time travellers to the Marie Celeste, a haunted house, a dying desert planet, New York City, and finally Mechanus, a planet dominated by robotic Mechonoids from which they may never escape.
At the end of the story, Barbara and Ian return to their own time in the Dalek time machine, while Steven Taylor, a captive on Mechanus, joins the Doctor and Vicki. (Working Titles: The Daleks (III), The Pursuers.)
 

The Time Meddler by Dennis Spooner, directed by Douglas Camfield
The TARDIS brings the Doctor, Steven and Vicki to 1066 England, just prior to the Battle of Hastings. There, they discover the Meddling Monk, a time travelling member of the Doctor's own race, has been interfering with history, attempting to use modern technology to change the outcome of the Battle and hence irrevocably alter the future of the planet. (Working Title: The Monk.)
 

Galaxy 4 by William Emms, directed by Derek Martinus
The TARDIS lands on a planet which will explode in mere hours. The time travellers discover that two alien species -- the beautiful Drahvins and hideous Rills -- have crashlanded on the planet after a battle in space. The Doctor races against the clock to determine which of the two are their enemies and which their friends, before the destruction of the planet kills them all. (Working Title: The Chumblies. All four episodes of this story are missing.)
 

Dalek Cutaway by Terry Nation, directed by Derek Martinus
Space Special Security agent Marc Cory arrives covertly on the planet Kembel. Cory is on a doomed mission to uncover the secret plans of the Daleks and their allies who are secretly meeting on the planet. But Kembel is a world of many dangers, and as his friends slowly transmute into deadly Varga plants, Cory soon realizes that for him, there is no escape. (Frequently referred to as Mission To The Unknown. This episode is missing.)
 

The Myth Makers by Donald Cotton, directed by Michael Leeston-Smith
The TARDIS takes its occupants to ancient Greece, during the time of the fall of Troy. The Doctor is mistaken for the god Zeus, while Vicki is captured and taken inside the walls of Troy. The Doctor must match wits with the suspicious Odysseus, while Vicki tries to escape the fate that history has decreed for the Trojans.
At the story's conclusion, Vicki decides to stay with the Trojan warrior Troilus, with whom she has fallen in love. A Trojan handmaiden named Katarina takes a wounded to Steven to the TARDIS at Vicki's request and joins the Doctor on his journies. (Working Titles: The Mythmakers, The Trojans, The Trojan War. All four episodes of this story are missing.)
 

The Daleks' Master Plan by Terry Nation and Dennis Spooner, directed by Douglas Camfield.  On Kembel, the Doctor finds a message from Marc Cory, detailing the Daleks' plan to use a time destructor to take over the universe. The Doctor steals the taranium core needed to fuel the destructor, and is then pursued across time and space by the Daleks, aided only by SSS agent Bret Vyon. But when Vyon is killed by his own sister, Sara Kingdom, at the orders of Mavic Chen, the traitorous Guardian of the Solar System, it is up to the Doctor to convince Sara of the error of her ways, and avoid a triple threat in the form of Chen, the Daleks, and the now-active time destructor.  Katarina dies in this story, saving the Doctor and Steven from a violent criminal. After realizing Chen has used her, Sara Kingdom also becomes a passenger in the TARDIS, but perishes under the influence of the time destructor at the story' conclusion. (Working Title: The Daleks (IV). Also frequently referred to as The Daleks' Masterplan. Episodes one through four, six through nine, eleven and twelve of this story are missing.)
 

The Massacre Of St. Bartholomew's Eve by John Lucarotti and Donald Tosh, directed by Paddy Russell.  The Doctor and Steven find themselves in 1572 France, just prior to the mass slaughter of the Protestant Huguenots by Catherine de Medici. While the Doctor goes to visit apothecary Charles Preslin, Steven becomes embroiled in the lives of several prominent Huguenots, and must come to terms with the Doctor's unwillingness to alter history to stop the imminent massacre.  At the end of this story, set on Wimbledon Common in 1966, a young schoolgirl named Dodo Chaplet accidentally stumbles into the TARDIS and joins the Doctor and Steven. (Working Titles: The Massacre (by which the story is commonly referred as a shorthand), The War Of God. All four episodes of this story are missing.)
 

The Ark by Paul Erickson and Lesley Scott, directed by Michael Imison
The TARDIS takes the three companions to a space ark in the far future, carrying humanity from the doomed Earth to their new home, the planet Refusis. Dodo has a cold, however, for which the humans and the subservient Monoids have no immunity. The Doctor must find a cure for the common cold, and, centuries later, stop a revolution by the Monoids resulting from the plague.
 

The Celestial Toymaker by Brian Hayles, directed by Bill Sellars
The TARDIS is taken to the surreal Celestial Toyroom by the nefarious Toymaker, an old foe of the Doctor's. Steven and Dodo are forced to play a series of games against increasingly deceitful opponents in order to regain the TARDIS, while the Doctor must solve the complex Trilogic Game in a battle of wits against the Toymaker. If any of them fail, they will be destined to remain in the Toyroom forever, transformed into dolls under the Toymaker's control. (Working Titles: The Toymaker, The Trilogic Game. Episodes one through three of this story are missing.)
 

The Gunfighters by Donald Cotton, directed by Rex Tucker
The Doctor has a toothache, so when the TARDIS materializes in 1881 Tombstone, Arizona his first priority is to find a dentist. But the dentist turns out to be the infamous Doc Holliday, on the run from the Clanton brothers and their hired gunman, Johnny Ringo. The companions must ally themselves with Holliday and sheriff Wyatt Earp against the Clantons, or else they, too, will be singing the Ballad of the Last Chance Saloon. (Working Title: The Gunslingers.)
 

The Savages by Ian Stuart Black, directed by Christopher Barry
The TARDIS lands on an apparently idyllic planet inhabited by the advanced Elders and the barbaric Savages. Dodo and Steven discover that something is wrong in this paradise -- the Elders are fuelling their wondrous culture by draining the life energy from the Savages. Worse still, the Elder leader, Jago, is eager to gain the life energy of one person in particular: the Doctor.
At the end of this story, Steven leaves to mediate between the Elders and the Savages. (Working Title: The White Savages. All four episodes of this story are missing.)
 

The War Machines by Ian Stuart Black, directed by Michael Ferguson
Arriving in 1966 London, the Doctor and Dodo are excited to see that the Post Office Tower has reached completion. Visiting the building, they are introduced to WOTAN, an incredible new computer designed to link up with other computers worldwide. But little does anyone suspect, WOTAN has become sentient, and is using its abilities to take hypnotic control of its creators. Its mission is not to serve mankind, but rather to eradicate it, so that artificial life can be the new dominant race on the planet.  After being hypnotized by WOTAN, Dodo leaves the Doctor midway through the story to recover from her ordeal. Seaman Ben Jackson and secretary Polly Wright stumble into the TARDIS at the end of the adventure when they try to return the Doctor's spare key, and the Doctor accidentally dematerializes with them on board. (Working Title: The Computers.)
 

The Smugglers by Brian Hayles, directed by Julia Smith
The Doctor, Ben and Polly find themselves on the Cornish coast in the 17th century. The Doctor is the lone witness to the dying words of a former pirate, who wishes to pass on the location of a buried treasure. Soon, however, the time travellers are pursued by the vicious Captain Pike, who is also in search of the treasure, and become embroiled in the covert smuggling operations of the era. (All four episodes of this story are missing.
 

The Tenth Planet by Kit Pedler and Gerry Davis, directed by Derek Martinus
The TARDIS lands near an international tracking station in Antarctica. The year is 1986, and the companions are just in time to witness the arrival of Mondas, a planet which is the mirror image on Earth. Soon, Mondas' natives, the Cybermen -- humans who have replaced many of their bodily functions with cybernetic attachments -- invade the tracking station as Mondas begins to drain the Earth of its energy. The time travellers must stop the process before the Cybermen begin to convert all humanity into creatures like themselves... but something is very wrong with the Doctor.
At the story's conclusion, the increasingly frail Doctor stumbles into the TARDIS, and regenerates into his second incarnation. (Episode four of this story is lost.)
 

The Power Of The Daleks by David Whitaker, directed by Christopher Barry
Still suspicious of the younger man claiming to be the Doctor, ben and Polly discover that the TARDIS has landed on the Earth colony Vulcan in the year 2020. There, a scientist named Lesterson has unearthed a crashed capsule containing the inert forms of three Daleks. The Doctor is horrified to discover Lesterson has reactivated them, intending to have them serve the colony's populace. But the time travellers soon discover that the Daleks have a completely separate agenda. (Working Title: The Destiny Of Doctor Who. All six episodes of this story are missing.)
 

The Highlanders by Elwyn Jones and Gerry Davis, directed by Hugh David
The TARDIS materializes in 1746 Scotland following the defeat of Bonnie Prince Charlie. There, they meet the McLarens and their piper, Jamie McCrimmon, who are being hunted by the English. The time travellers soon discover that a crooked solicitor named Algernon Ffinch is attempting to sell the Highlanders as slave in the West Indies... and they are to be amongst the first shipment.
At the story's conclusion, Jamie sneaks on board the TARDIS and joins the Doctor. (Working Title: Culloden. All four episodes of this story are missing.)
 

The Underwater Menace by Geoffrey Orme, directed by Julia Smith
When the TARDIS, lands on a volcanic island in the middle of the Pacific, the Doctor, Ben, Polly and Jamie soon find a passageway down to the lost city of Atlantis. There, the Doctor meets the famous scientist Professor Zaroff, who has concocted a mad plan to raise Atlantis by draining the ocean waters down into the Earth's core, destroying the planet. It is up to Ben and Jamie to raise a revolution amongst the Atlantean Fish People... before Polly is transformed into one herself. (Working Titles: Doctor Who Under The Sea, The Fish People. Episodes one, two and four of this story are missing.)
 

The Moonbase by Kit Pedler, directed by Morris Barry
The companions find themselves on a moonbase in the year 2070. Housed there is the Gravitron, a device which controls the Earth's weather. But a mysterious plague has erupted amongst the base's crew, and the Gravitron has been experiencing mysterious faults. The moonbase head suspects the time travellers, but the Doctor soon realizes that his old foes, the Cybermen, are covertly at work in a new attempt to invade the Earth. (Working Title: Return Of The Cybermen. Episodes one and three of this story are missing.)
 

The Macra Terror by Ian Stuart Black, directed by John Davies
An Earth colony in the far future has all the feel and look of a holiday camp. But quickly the time travellers become aware that a sinister force is lurking beneath the jolly veneer of the settlement, in the form of the crab-like Macra. And already, Ben has fallen into the Macra's power. (Working Titles: The Spidermen, The Insect-Men, The Macras. All four episodes of this story are missing.)
 

The Faceless Ones by David Ellis and Malcolm Hulke, directed by Gerry Mill
Arriving back in 1966 London at Gatwick Airport, the companions soon learn of mysterious disappearances which have occurred with alarming frequency at the airport. To make matters worse, Ben and Polly also disappear, and a perfect duplicate of Polly soon reappears claiming no knowledge of the Doctor or Jamie. The Doctor soon learns of the true force at work -- the Chameleons, faceless aliens who are attempting to use the kidnapped commuters to regain their own identity.  Having arrived back on Earth on the same day that they left, Ben and Polly decide to leave the Doctor at the story's conclusion. (Working Title: The Chameleons. Episodes two and four through six of this story are missing.)
 

The Evil Of The Daleks by David Whitaker, directed by Derek Martinus
The TARDIS is stolen from Gatwick Airport, and the Doctor and Jamie pursue it through a time corridor back to 1866. There, they are captured by the Daleks, who are ostensibly trying to isolate the Human Factor, that which makes humans truly human. But with the help of scientist Edward Waterfield, whose daughter Victoria is held hostage by the Daleks, the Doctor discovers his old enemies are actually searching for the Dalek Factor... which they intend to imprint upon every human in history.  At the story's conclusion, Victoria joins the Doctor and Jamie as her father has been murdered by the Daleks. (Episodes one and three through seven of this story are missing.)
 

The Tomb Of The Cybermen by Kit Pedler and Gerry Davis, directed by Morris Barry
The Doctor, Jamie and Victoria land on the desert planet Telos, where an archaeological expedition from Earth has arrived searching for the fabled tombs to which the dying Cybermen had removed themselves many years earlier. The Doctor is adamant that the scientists leave his old enemies hibernating, but two members of the team, the Logicians Klieg and Kaftan, have plans to use the Cybermen to help them dominate the galaxy. (Working Titles: The Cybermen Planet, The Ice Tombs Of Telos.)
 

The Abominable Snowmen by Mervyn Haisman and Henry Lincoln, directed by Gerald Blake.  The Doctor is delighted when the TARDIS lands near a monastery in Tibet because it means he can return their sacred ghanta which he took with him for safekeeping centuries earlier. But all is not well at the monastery -- there is disharmony amongst the monks, and the countryside is overrun by robotic Yeti. Soon, the Doctor finds himself accused of murder, whilst an extradimensional force called the Great Intelligence prepares to return to Earth... through one of the Doctor's friends. (Episodes one and three through six of this story are missing.)
 

The Ice Warriors by Brian Hayles, directed by Derek Martinus
In the year 3000, the Earth is on the brink of a new Ice Age, as glaciers overrun the countries of the world. The TARDIS lands in England as a small team of scientists desperately tries to hold back the ice. But a new threat comes when an ancient spaceship is discovered buried in the glacier. Soon its crew, the warlike Ice Warriors from Mars, reawaken and become intent on delivering themselves from the planet, at any cost. (Episodes two and three of this story are missing.)
 

The Enemy Of The World by David Whitaker, directed by Barry Letts
The TARDIS lands on Earth in the near future. A series of catastrophic earthquakes have shaken the planet, resulting in political upheaval. At the same time, the famous scientist Salamander introduces his Suncatcher satellites, which he claims will feed the starving corners of the world. But the Doctor soon discovers a link between the satellites and the earthquakes, uncovering a plot by Salamander -- the Doctor's doppelganger -- to take over the world. (Episodes one, two, and four through six of this story are missing.)
 

The Web Of Fear by Mervyn Haisman and Henry Lincoln, directed by Douglas Camfield
The TARDIS lands in modern-day London, where the time travellers discover the city deserted and covered in a weird web-like substance. Meeting up with the military and Colonel Lethbridge- Stewart, they learn that the Great Intelligence and its Yeti are active once again. And this time, the Intelligence's main goal is none other than the possession of the mind of the Doctor. (Episodes two through six of this story are missing.)
 

Fury From The Deep by Brian Hayles, directed by Hugh David
On the North Sea coast in the modern day, the companions learn of a series of difficulties plaguing the oil refineries. They soon find that a form of intelligent seaweed is attempting to take over humanity -- and the invasion has already begun.
At the story's end, Victoria decides to stay behind to be adopted by a family who helped them fight the seaweed. (Working Title: Colony Of Devils. All six episodes of this story are missing.)
 

The Wheel In Space by David Whitaker and Kit Pedler, directed by Tristan de Vere Cole
The Doctor and Jamie find themselves on a space wheel in the 21st century. Mysterious things have been happening on board the wheel - - equipment has been sabotaged, crewmembers have gone missing, and the director, Bennett, is slowly descending into a nervous breakdown. The Doctor discovers that the Cybermen, once more intent on invading the Earth, are about to invade the wheel, taking control of every one on board.
At the end of the story, the wheel's astrophysicist, Zoe Heriot, sneaks on board the TARDIS to join the Doctor and Jamie. (Working Title: The Space Wheel. Episodes one, two, four and five of this story are missing.)
 

The Dominators by Norman Ashby, directed by Morris Barry
The Doctor, Jamie and Zoe find themselves on peaceful Dulkis, a planet where war has been eradicated. But landing at the same time at the warlike Dominators and their diminutive robots, the Quarks. The Dominators plan to detonate a bomb in Dulkis' core, thereby turning the planet into a radioactive ball with which they can fuel their space fleet. (Working Title: The Beautiful People.)
 

The Mind Robber by Peter Ling, directed by David Mahoney
After an emergency dematerialization, the TARDIS lands in a weird white void. Drawn out of the time machine, the travellers find themselves in a surreal world where fiction has become reality, and where a mysterious force desires the Doctor's company... forever. (Working Titles: Man Power, The Fact Of Fiction.)
 

The Invasion by Derrick Sherwin and Kit Pedler, directed by Douglas Camfield
With the help of the newly-formed United Nations Intelligence Taskforce (UNIT), led by their old friend Lethbridge-Stewart, the companions discover that businessman Tobias Vaughn has been conspiring with the Cybermen. Partially cybernised himself, Vaughn plans to give the Earth over to the Cybermen unless the Doctor can stop him... but the Cybermen have already arrived. (Working Title: Return Of The Cybermen. Episodes one and four of this story are missing.)
 

The Krotons by Robert Holmes, directed by David Maloney
The TARDIS lands on a planet where, every year, the two brightest youths of the civilization disappear into the bowels of a machine to join their people's gods. But the companions discover that the 'gods' are really crystalline aliens called the Krotons, who are feeding on the mental energies of the children. And the Doctor and Zoe are next on the menu. (Working Titles: The Trap, The Space Trap.)
 

The Seeds Of Death by Brian Hayles, directed by Michael Ferguson
It is the 21st century, and all transportation on Earth is provided by T-Mat, a matter teleportation device operated from the moon. But as the TARDIS materializes, the T-Mat station is taken over by the Ice Warriors. The Martians plan to turn the Earth into a new Mars by spreading special seeds over the planet which will alter the Earth's climate, and T-Mat is to be the method by which their horrible plan will be accomplished. (Working Title: The Lords Of The Red Planet.)
 

The Space Pirates by Robert Holmes, directed by Michael Hart
When the space beacon the TARDIS lands in is stolen by the cruel pirate Craven, the time travellers team up with an aging pioneer named Milo Clancy to recover their craft. Along the way, they must survive the attempts by Craven to destroy them, avoid the Earth officials who believe them to be the culprit, and discover the truth behind the Issigri Mining Company on the planet Ta. (Episodes one and three through six of this story are missing.)
 

The War Games by Malcolm Hulke and Terrance Dicks, directed by David Maloney
The Doctor, Jamie and Zoe believe the TARDIS has brought them back to Earth, in the midst of World War One. But it soon becomes apparent that they are nowhere of the sort -- in fact, they are on the planet of a race of aliens who are kidnapping soldiers from various points in the Earth's history, with the intent of using them to form the greatest army the universe has ever seen. At the helm of this plot is the War Chief, a Time Lord like the Doctor, and to stop him the Doctor may be forced to call upon his own people and give up his wandering in time and space forever.
At this story's conclusion, the Time Lords return Jamie and Zoe to their own time and force the Doctor to regenerate into his third incarnation.
 

Spearhead From Space by Robert Holmes, directed by Derek Martinus
The newly-regenerated Doctor is exiled to modern-day Earth by the Time Lords, where he becomes attached to UNIT as their unofficial scientific advisor. Aided by Liz Shaw, the Doctor's first task is to investigate the landing of some mysterious meteorites in the countryside. Quickly, the Time Lord discovers that these are no ordinary meteorites -- the alien Nestenes have landed, intending to use their plastic-controlling servants, the Autons, to take over the Earth.
Liz Shaw joins UNIT as the Doctor's assistant at the beginning of this story. (Working Title: Facsimile.)
 

Doctor Who And The Silurians by Malcolm Hulke, directed by Timothy Combe
UNIT is called in when a nuclear reactor on Wenley Moor starts experiencing strange power disruptions. The Doctor discovers that the activation of the reactor has accidentally awoken the original inhabitants of the Earth, the reptilian Silurians, who have lain in suspended animation underground for millennia. Now, the Silurians wish to reclaim their planet, and unleash a deadly virus which will engulf mankind. (Working Title: The Monsters. Also frequently referred to as The Silurians. This story has been recolorized using American videotapes as the original prints are missing.)
 

The Ambassadors Of Death by David Whitaker, directed by Michael Ferguson
When a manned mission to Mars returns to Earth, it soon becomes apparent that the three beings who returned are not the ship's astronauts. The Doctor realizes that the crew have made contact with an alien force on the Red Planet, but his investigations are interrupted when the aliens masquerading as the astronauts are kidnapped by someone who knows them of old. (Working Titles: The Invaders From Mars, The Carriers Of Death. This story is only available in black and white as the original prints are missing.)
 

Inferno by Don Houghton, directed by Douglas Camfield and Barry Letts
Project Inferno is designed to drill down to the center of the Earth, where it will release a wonderful new energy source called Stahlman's Gas named after the project's director. But the Doctor realizes that unleashing Stahlman's Gas will have horrible consequences from the planet, fears confirmed when a power surge in the TARDIS console sends him to a hostile parallel universe where the project is nearing completion.  Between this story and the next, Liz Shaw leaves UNIT to return to Cambridge. (Working Titles: Operation: Mole-Bore, The Mo- Hole Project, Project Inferno.)
 

Terror Of The Autons by Robert Holmes, directed by Barry Letts
The Doctor is warned of a new threat to the Earth -- the evil renegade Time Lord known as the Master has arrived. The Master has allied himself with the Nestene Consciousness and once again paved the way for an Auton presence on Earth. The Doctor must stop the Autons for a second time, but this time with the knowledge that he is going head to head with a being who is quite possibly his equal.  Jo Grant joins UNIT as the Doctor's new assistant at the story's beginning. (Working Title: The Spray Of Death. This story has been recolorized using American videotapes as the original prints are missing.)
 

The Mind Of Evil by Don Houghton, directed by Timothy Combe
The Master, posing as Professor Keller, has created a device he purports will remove the negative impulses from the brains of convicted criminals. The Keller Machine in fact contains an alien mind parasite which turns the convicts into servants of the Master. With their help, the evil Time Lord hijacks a nerve missile, with which he intends to hold a world peace conference hostage. (Working Titles: The Pandora Machine, Man Hours, The Pandora Box. This story is only available in black and white as the original prints are missing.)
 

The Claws Of Axos by Bob Baker and Dave Martin, directed by Michael Ferguson
Beings from space arrive in England, calling themselves Axons. They bear with them a fantastic substance called Axonite which can affect the structure of matter. The Axons offer to exchange the Axonite with the various world powers, but the Doctor discovers there is something sinister behind the aliens -- not the least of which is their secret allegiance with the Master. (Working Titles: The Gift, The Friendly Invasion, The Axons, The Vampire From Space.)
 

Colony In Space by Malcolm Hulke, directed by Michael Briant.  The Time Lords send the Doctor and Jo to an Earth colony in the 25th century. There, the time travellers discover the colonists being ravaged by a weird dinosaur-like beast while sinister miners try to force them to abandon the planet. Meanwhile, the Master has also arrived, searching for a legendary doomsday device believed to be buried in the ruins adjacent to the colony. (Working Title: The Colony.)
 

The Daemons by Guy Leopold, directed by Christopher Barry
The Master poses as the new vicar of the community of Devil's End just as an archaeologist begins work on opening an ancient barrow in the village. Despite the Doctor's attempts to stop the work, a Daemon named Azal is released from the barrow, a member of an ancient race who guided humanity during its early years. Azal has remained behind the judge humanity's worthiness, and to pass on his power if needs be. And the Master will stop at nothing to gain that power. (Working Title: The Demons. This story was recolorized using American videotapes as the original prints are missing.)
 

Day Of The Daleks by Louis Marks, directed by Paul Bernard
The Doctor is alerted to a disturbance in the time stream when guerrillas from the 22nd century arrive, trying to assassinate Sir Reginald Styles, who is about to host an important international peace conference. The Doctor learns that Styles is destined to blow up the conference, instigating World War Three. Now Earth in two hundred years is dominated only by one race -- the Daleks, with their brutish footsoldiers the Ogrons. (Working Titles: The Ghost Hunters, Years Of Doom.)
 

The Curse Of Peladon by Brian Hayles, directed by Lenny Mayne
The Doctor and Jo are sent by the Time Lords to Peladon, a planet attempting join the interstellar Federation. Someone is sabotaging the negotiations, however, and the Doctor suspects it is the Ice Warrior delegates. But as the mystery deepens and the murders mount, even the Doctor may prove to be very, very wrong. (Working Title: The Curse.)
 

The Sea Devils by Malcolm Hulke, directed by Michael Briant
The Master escapes from incarceration and reawakens the Sea Devils, the aquarian cousins of the Silurians who have also been dormant in suspended animation. With an army of Sea Devils at the Master's command, the Doctor soon realizes that even with the entire military to help him, there may be no stopping his arch foe this time. (Working Title: The Sea Silurians.)
 

The Mutants by Bob Baker and Dave Martin, directed by Christopher Barry
The Time Lords send the Doctor and Jo to the planet Solos in the dying days of Earth's decadent intergalactic Empire. An Earth delegation, led by the maniacal Sheriff, has arrived on Solos, seeking to convert its atmosphere into one more suitable for habitation by humans. As the native Solonians oppose this, however, they also discover a crippling plague has befallen their people, turning them into hideously mutated monsters. (Working Titles: Independence, The Emergents.)
 

The Time Monster by Robert Sloman, directed by Paul Bernard
The Master, posing as Professor Thascales, obtains the Crystal of Kronos, a relic of ancient Atlantis. Using the Crystal, the evil Time Lord summons Kronos, a powerful Kronavore native to the time vortex. The Doctor pursues his enemy back in time to Atlantic, where he has one last chance to stop the Master from gaining permanent control over Kronos, and unleashing the unstoppable force onto the world.
 

The Three Doctors by Bob Baker and Dave Martin, directed by Lenny Mayne
The Time Lords' energy is being drained through a black hole, so all three Doctors are summoned to investigate. Travelling through the black hole, the Doctors discover that Omega, one of the greatest Time Lords in the history of their people, is imprisoned therein. Believing he has been abandoned, Omega -- now wielding supreme power over the anti-matter universe within the black hole - - is determined to destroy the Time Lords, and force the Doctors to remain in the black hole in his place. (Working Title: The Black Hole.)
 

Carnival Of Monsters by Robert Holmes, directed by Barry Letts
With the Doctor once again free to wander in time and space, the TARDIS brings Jo and he to a cargo ship. The Doctor believes it is the 1920s, but when he realizes the boat was one which disappeared without a trace, it soon becomes clear that the two time travellers are trapped within an illicit Time Scope, collecting specimens from planets across the galaxy. (Working Titles: The Labyrinth, Peepshow.)
 

Frontier In Space by Malcolm Hulke, directed by Paul Bernard
The Earth Federation is at the brink of war with the rival Draconian Empire. When the Doctor and Jo materialize, they discover someone is trying to inflame the tensions between the two space powers. They quickly learn that the culprit is the Master, but before they can deal with him, the evil Time Lord has them framed as Draconian spies. Worse still, the Master is not working alone...
 

Planet Of The Daleks by Terry Nation, directed by David Maloney
The TARDIS materializes on Spiridon, where the Doctor and Jo are aware a Dalek plot is afoot. Teaming up with a band of Thals, the companions soon discover an enormous army of Daleks is present on the planet, and a Dalek scientific team is getting ever-closer to gifting their siblings with the invisibility powers of the Spiridon natives. (Working Title: Destination: Daleks.)
 

The Green Death by Robert Sloman, directed by Michael Briant
Waste from a chemical plant, Global Chemicals, in Wales has mutated the insects, resulting in deadly, giant green monsters. With the aid of a team of local ecologists, Jo sets about stopping the monsters and the environmental destruction being wreaked by the refinery. But when Mike Yates goes in undercover, he discovers that Global Chemicals' director is not just unscrupulous... he's inhuman.  At the story's end, Jo leaves UNIT to marry ecologist Professor Clifford Jones.
 

The Time Warrior by Robert Holmes, directed by Alan Bromly
UNIT is called in when scientists begin disappearing and, with the help of journalist Sarah Jane Smith, the Doctor discovers they are being taken back in time. Travelling to the Middle Ages, the Doctor discovers a Sontaran named Linx has crashlanded on the planet and allied himself with a cutthroat named Irongron who has been using Linx's weaponry to terrorize the countryside.
Sarah Jane Smith joins the Doctor during this adventure. (Working Titles: The Time Fugitive, The Time Survivor.)
 

Invasion Of The Dinosaurs by Malcolm Hulke, directed by Paddy Russell
When the Doctor and Sarah Jane return to modern-day England, they find London deserted and dinosaurs on the loose. It transpires that a group of politicians and scientists are trying to right why they perceive as the cause of all our planet's wrongs by turning back time and returning the Earth to a pre-technological level. To make matters worse, they have help -- from inside UNIT and amongst the Doctor's closest friends. (Working Titles: Bridgehead from Space, Timescoop. Episode one of this story exists only in black and white as the original print is missing.)
 

Death To The Daleks by Terry Nation, directed by Michael Briant
On the planet Exxilon, two groups have crashlanded, both ostensibly searching parrinium, the only cure to a space plague which is wreaking havoc through the cosmos. One is a band from Earth; the other, the Daleks. But the Doctor discovers that both parties are powerless, rendering the Daleks' weapons inoperable. As his oldest foes begin to show their true colors in seeking the parrinium in order to hold the universe at ransom, the Doctor must brave the dangers of the lost city of the Exxilons in order to deliver the parrinium into rightful hands. (Working Title: The Exxilons.)
 

The Monster Of Peladon by Brian Hayles, directed by Lennie Mayne
The TARDIS returns to Peladon fifty years after its first visit, and the time travellers find the planet in disorder once again. The Federation desperately needs trisilicate -- in which Peladon is rich -- in order to wage a war against the oppressive Galaxy Five. But this has lead to claims amongst the Pels that the Federation is raping their planet; to make matters worse, the ghost of Aggedor, the Sacred Beast, has been appearing, apparently condemning the Federation. Once more it seems as if the Ice Warriors are to blame. Can the Doctor be wrong twice?
 

Planet Of The Spiders by Robert Sloman, directed by Barry Letts
Mutant Spiders rule the planet Metebelis 3 in the far future, holding a regressive Earth colony in a grip of fear. The leader of the Spiders, the mammoth Great One, is constructing a device using Metebelis' powerful blue crystals in order to increase her mental powers a millionfold. But the Doctor is in possession of the last crystal, and soon finds himself pursued by the Spiders and their human agents.
The Doctor regenerates into his fourth incarnation at the story's conclusion. (Working Title: The Final Game.)
 

Robot by Terrance Dicks, directed by Christopher Barry
When the secret plans to a disintegrator gun are stolen by what appears to have been some kind of giant robot, the newly- regenerated Doctor is quickly called in to investigate. The trail leads to a group of right-wing scientists called Think Tank, who are seeking to use the robot and disintegrator gun to impose their edicts on humanity.
At the story's conclusion, Harry Sullivan leaves in the TARDIS with the Doctor and Sarah.
 

The Ark In Space by Robert Holmes, directed by Rodney Bennett
The TARDIS brings the Doctor, Sarah and Harry to the Nerva Beacon in the far future, where the remnants of humanity have been placed in suspended animation due to the risk of solar flares on Earth. The humans have overslept by millennia, however, due to the incursion of an insect-like Wirrn. More Wirrn are gestating within Noah, the Beacon's leader, and as Noah starts to succumb to the alien influences, the dangers to the still-sleeping humans start to become reality.
 

The Sontaran Experiment by Bob Baker and Dave Martin, directed by Rodney Bennett
The Doctor agrees to transmat down to Earth to make sure everything is okay before the Nerva survivors begin to reclaim their planet. There, the time travellers discover the presence of a Sontaran named Styre, who is performing cruel tests on a band of captive humans. Styre's goal is to discover the weaknesses of the human body -- weaknesses the Sontarans will then exploit in their quest to dominate the universe. (Working Title: The Destructors.)
 

Genesis Of The Daleks by Terry Nation, directed by David Maloney
The Time Lords intercept the companions as they transmat back to Nerva, and send them to Skaro in the distant past in order to prevent the creation of the Daleks. There they discover that planet's two native races, the Kaleds and the Thals, nearing the climax of the Thousand Year War. As the conflict reaches its terrible conclusion, Sarah discovers a disfigured Kaled scientist named Davros has already accomplished what they were sent to stop - - the Daleks are born. (Working Title: Daleks: Genesis Of Terror.)
 

Revenge Of The Cybermen by Gerry Davis, directed by Michael E Briant
The time travellers return to the Nerva Beacon, but thousands of years before they left. Whilst awaiting the arrival of the TARDIS, they discover the Beacon -- at this point in time used to direct interstellar traffic -- is overrun by a plague which has wiped out most the crew. The culprits are the Cybermen, on a vendetta to destroy the deciding factor in humanity's war against them: Voga, the
Planet of Gold. (Working Title: Return Of The Cybermen.)
 

Terror Of The Zygons by Robert Banks Stewart, directed by Douglas Camfield
The Brigadier summons the Doctor back to Earth to investigate mysterious goings-on around Loch Ness in Scotland. The companions discover that the Loch Ness Monster is no myth -- in fact, it is really the Skarasen, a cybernetic reptile used as a servant by shape-shifting aliens known as the Zygons. The Zygons are paving the way for an invasion by their race, fleeing the destruction of their home planet, and have already used their powers to infiltrate the local authorities.
At the story's end, Harry decides to stay behind on Earth. (Working Titles: Loch Ness, The Secret Of The Loch, The Secret Of Loch Ness.)
 

Planet Of Evil by Louis Marks, directed by David Maloney
The Doctor and Sarah land on Zeta Minor, at the very edge of the galaxy. A scientific team led by Professor Sorenson is being terrified by an anti-matter monster, a situation which intensifies when Sorenson takes a sample of anti-matter off-planet. The Doctor must stop Sorenson, who has begun mutating into a Jekyll-and-Hyde- like anti-man, and restore the balance on Zeta Minor before death comes calling for them all.
 

Pyramids Of Mars by Lewis Griefer, directed by Paddy Russell
It is the 1920s, and the TARDIS lands in the home of two brother scientists, Laurence and Marcus Scarman. Laurence desperately needs the Doctor's help, since his brother has been behaving very oddly ever since returning from an archaeological dig in Egypt. To confuse matters further, Laurence has begun detecting strange radio signals from the surface of Mars. The Doctor discovers that Marcus has become the avatar on Earth of Sutekh, a powerful alien Osiran imprisoned on Mars centuries earlier by his people for his terrible crimes. Now Sutekh is using Marcus to regain his freedom, and herald the end of the world.
 

The Android Invasion by Terry Nation, directed by Barry Letts
The TARDIS seems to have returned the time travellers to modern-day England, but it quickly becomes apparent that something is very wrong -- the people behave oddly, the calendar has just one day on it, coins are all minted from the same date. They soon realize they are not on Earth at all, but on a simulacrum created by the Kraals, who are using the replicated village to help them prepare for their imminent invasion of Earth. (Working Titles: The Enemy Within, Return To Sukkanen, The Kraals.)
 

The Brain Of Morbius by Robin Bland, directed by Christopher Barry
The Time Lords divert the TARDIS to Karn, home of the Sisterhood of the Flame, whose sacred flame -- which provides an elixir granting them eternal life and used by the Time Lords to aid regenerative crises -- is slowly dying. The Sisterhood believes the Doctor has come to steal the remnants of the elixir and has him captured. Also on Karn, meanwhile, is the mad Doctor Solon, who has covertly taken possession of the brain of Morbius, an evil Time Lord thought to have been executed. Solon is trying to rebuild a new body for Morbius, and is lacking only the head of a Time Lord -- like the Doctor.
 

The Seeds Of Doom by Robert Banks Stewart, directed by Douglas Camfield
An Antarctic expedition unearths two pods which the Doctor recognizes as Krynoids. Once germinated, the pods will infect humans, turning them into giant carnivorous plants which will quickly overrun the world. The Doctor manages to destroy one Krynoid, but the other is stolen by an insane botanist named Harrison Chase, who intends to use the alien entity to help plants take over the world.
 

The Masque Of Mandragora by Louis Marks, directed by Rodney Bennett
The TARDIS accidentally transports the malevolent Mandragora Helix to Earth during the Renaissance in Italy. Gaining the loyalty of the twisted astrologer Hieronymous, the Helix plans nothing less than returning the Earth to the Dark Ages by murdering the great thinkers of the 15th century. (Working Titles: The Catacombs Of Death, The Curse Of Mandragora, Secret Of The Labyrinth.)
 

The Hand Of Fear by Bob Baker and Dave Martin, directed by Lennie Mayne
A calcified hand unearthed in the demolition of a quarry leads to Sarah's mind being taken over by an alien called Eldrad, destroyed by his people centuries earlier. Eldrad compels Sarah to break into a nuclear reactor, where he is able to regenerate his entire body. He then convinces the Doctor to return him to his home world of Kastria, from which he says he was wrongly exiled. But the Doctor and Sarah Jane are aware that there is far more to Eldrad than he claims.
At the end of the story, the Doctor receives an urgent summons to Gallifrey and must leave Sarah behind on Earth. (Working Titles: The Hand Of Time, The Hand Of Death.)
 

The Deadly Assassin by Robert Holmes, directed by David Maloney
The President of the High Council of the Time Lords is assassinated, and the Doctor, newly returned to Gallifrey, is the prime suspect. But the Doctor knows someone is framing him, and must rely on the help of the reluctant Castellan Kelner to unveil a traitor in the High Council. Ultimately, the trail leads to the dying, vengeful Master, who wishes to harness the powers of Rassilon's greatest discovery, the mythical Eye of Harmony. But to do so would mean the destruction of Gallifrey, and to prevent this, the Doctor must risk his life in the surreal landscape of the Matrix. (Working Title: The Dangerous Assassin.)
 

The Face Of Evil by Chris Boucher, directed by Pennant Roberts
The TARDIS lands on a planet where the population is divided into two warring factions, the barbaric Sevateem, and the brilliant Tesh. The Doctor himself is regarded as a demon by the Sevateem, and to the Time Lord's consternation, he discovers that a giant bust of the Evil One is in fact a replica of his own visage. With the help of a Sevateem warrior named Leela, the Doctor discovers that the Sevateem god, Xoanon, is in fact a schizophrenic computer, whose malfunction can be traced back to the Doctor himself.
At the story's conclusion, Leela leaves with the Doctor. (Working Titles: The Tower Of Imelo, The Day God Went Mad.)
 

The Robots Of Death by Chris Boucher, directed by Michael E Briant
The TARDIS brings the Doctor and Leela to a Sandminer, a giant mining ship. The crew of the Sandminer is slowly being killed off one by one, and the time travellers are obvious suspects. But the Doctor begins to discover the impossible is coming true -- the Sandminer's robots are responsible for the deaths, and have fallen under the influence of the crazed scientist Taren Capel, who wishes to supplant the human race with his robotic creations. (Working Title: The Storm-Mine Murders.)
 

The Talons Of Weng-Chiang by Robert Holmes, directed by David Maloney
The companions find themselves in Victorian London. Girls are being kidnapped off the street, ghosts have been sighted in the opera house run by Henry Jago, and giant rats haunt the London sewers. At the center of the chaos is a mysterious Oriental magician named Li H'sen Chang. Chang serves a man he believes is the god Weng-Chiang, and is searching for a cabinet lost by his master. The Doctor uncovers the truth, however -- Weng-Chiang is actually Magnus Greel, a tyrant from the 60th century whose escape back through from that century have transformed him into a disfigured monster. (Working Titles: The Foe From The Future, The Talons of Greel.)
 

Horror Of Fang Rock by Terrance Dicks, directed by Paddy Russell
The TARDIS materializes near a lighthouse in the English Channel, where a boat carrying several high-society passengers has just capsized. The lighthouse itself is experiencing problems, however, with mysterious energy drains and the death of one of its technicians. The Doctor discovers that a shapeshifting Rutan has infiltrated the lighthouse and is about to summon its mothership to Earth. As the lighthouse's occupants are killed off one by one, it slowly dawns on the Doctor that, this time, he may be too late to save anyone. (Working Titles: Rocks Of Doom, The Monster Of Fang Rock, The Beast Of Fang Rock.)
 

The Invisible Enemy by Bob Baker and Dave Martin, directed by Derrick Goodwin
A parasite infects the Doctor whilst the TARDIS is hovering in space, and slowly takes over his mind. While the Doctor places himself in a coma to stall the parasite, Leela takes the Time Lord to a medical port on Titan in the far future. There, with the help of Professor Marius and his robot dog K-9, she has miniaturized clones of herself and the Doctor created, so that they can travel into the Doctor's mind and battle the parasite on its own level.
K-9 leaves Titan with the Doctor and Leela at the adventure's conclusion. (Working Titles: The Enemy Within, The Invisible Invader.)
 

Image Of The Fendahl by Chris Boucher, directed by George Spenton-Foster
The activation of a time scanner sends the Doctor, Leela and K-9 to modern-day Earth, where a team of scientists has uncovered an ancient skull. The skull is that of the Fendahl, a creature which thrives on death and which was thought to have been destroyed by the Time Lords. One of the scientists, Thea Ransome, is converted into a host for the Fendahl, and she creates minions, the deadly Fendahleen, to deliver her lethal message across the planet.
 

The Sunmakers by Robert Holmes, directed by Pennant Roberts
The TARDIS lands on Pluto in the far future, where the Doctor is astonished to find the planet inhabited by humans and heated by a number of miniature suns. The companions discover that the human race has been moved off Earth to do the bidding of the Company, a ruthless intergalactic conglomerate. It is up to the Doctor to uncover the secret of the Company's head, the Collector, while Leela is sentenced to death by steaming.
 

Underworld by Bob Baker and Dave Martin, directed by Norman Stewart
The TARDIS materializes in a spacecraft of the Minyans, a race who destroyed themselves using technology given to them by early Time Lords. Now the Minyans are on a desperate search for their lost race banks, lost centuries earlier, which are the only hope for their civilization. With the Doctor's help, the race banks are located, but the time travellers and Minyans must confront an insane computer and its robotic servants, or the Minyan race will be forever doomed. (Working Title: Underground.)
 

The Invasion Of Time by David Agnew, directed by Gerald Blake
The Doctor returns to Gallifrey, having become President of the High Council following an illicit deal with aliens known as the Vardans. He has Leela exiled to the wilds beyond the Capitol, where she allies herself with outcast Time Lords living as savages. Leela believes the Doctor has turned traitor, but in fact the Doctor is masterminding an elaborate plan to unveil the identity of the Vardans' masters, and foil a scheme to invade Gallifrey itself.
At the end of the story, Leela remains behind to marry a Chancellery Guard named Andred; K-9 stays with her but the Doctor has already constructed a Mark II version which he subsequently activates.
 

The Ribos Operation by Robert Holmes, directed by George Spenton-Foster
The Doctor is called upon by the White Guardian, the embodiment of goodness and light, to find the six disguised segments of the Key To Time, scattered throughout time and space, so that the Guardian can restore the unstable universal balance. To this end, the White Guardian provides the Doctor with a new assistant in the form of the young Time Lady Romana. Their first destination is Ribos, a medieval-style planet which a con man named Garron is trying to sell to the megalomaniacal Graff Vynda K. When the Graff uncovers Garron's treachery, the crook's assistant, Unstoffe, flees into the monster-infested Catacombs, little realizing that amongst his possessions is the first segment of the Key To Time.
Romana becomes the Doctor's regular travelling companion at the start of this story. (Working Titles: The Galactic Conman, Operation, The Ribos File.)
 

The Pirate Planet by Douglas Adams, directed by Pennant Roberts
Next the two Time Lords head to the planet Calufrax in search of the second segment. Instead, however, the TARDIS lands on Zanak, which the Doctor discovers is a pirate planet, materializing around other worlds and reaping their mineral wealth. The leader of this operation is the crazed Captain, who is prepared to take Zanak onto its next conquest: the Earth.
 

The Stones Of Blood by David Fisher, directed by Darrol Blake
The quest for the third segment takes the TARDIS to modern-day Earth, near a stone circle called the Nine Maidens. The circle has been a site of renewed worship of the Druidic goddess the Cailleach, as well as the researches of scientist Amelia Rumford. When someone tries to kill Romana, the Doctor realizes something is amiss at the Nine Maidens, and that the Cailleach may not be quite as mythical a goddess as he first suspected. (Working Titles: The Nine Maidens, The Stones Of Time.)
 

The Androids Of Tara by David Fisher, directed by Michael Hayes
While the Doctor takes a break, Romana finds the fourth segment on Ribos, only to be kidnapped by the villainous Count Grendel. It transpires that Romana is an exact double of Tara's Princess Strella. Grendel has aspirations to the Taran throne, and has kidnapped Strella in an attempt to force her to marry him; now he believes he can make Romana pose as Strella and accomplish the deception that way. But the Doctor allies himself with Reynart, Strella's true love, in a desperate attempt to stop the throne from falling into Grendel's cruel grasp. (Working Titles: The Androids Of Zenda, The Androids Of Zend, The Seeds Of Time.)
 

The Power Of Kroll by Robert Holmes, directed by Norman Stewart
For the fifth segment, the TARDIS takes the Doctor, Romana and K-9 to the marsh moon of Delta Magna. There, the time travellers become enmeshed in tensions between the barbaric native Swampies, the gun- runner Rohm Dutt, and the crew of a refinery which is trying to drive the Swampies away. In the midst of all this, the Swampie god, a gargantuan squid named Kroll, is beginning to stir, and even the Doctor will be defenseless in the wake of the destruction Kroll will cause. (Working Titles: The Moon Of Death, The Horror Of The Swamp, The Shield Of Time.)
 

The Armageddon Factor by Bob Baker and Dave Martin, directed by Michael Hayes
The Black Guardian, the embodiment of evil and darkness, is closing in as the Doctor goes in search of the sixth and final segment on the wartorn planet Atrios. Atrios is in a state of perpetual conflict with its neighbor, Zeos, and the planet's entire civilization is being held together only through the tireless efforts of Princess Astra. But it soon becomes clear that there is more to the Atrios/Zeos war than meets the eye, and discovering the key to the mystery may become the deciding factor in the Doctor's quest for the Key To Time. (Working Title: Armageddon.)
 

Destiny Of The Daleks by Terry Nation, directed by Ken Grieve
Having installed a Randomizer to avoid the attentions of the Black Guardian, the Doctor and the newly-regenerated Romana find themselves on a bleak planet the Doctor is sure he has visited before. The two are separated in a cave-in, however, and Romana finds herself a captive of the Doctor's oldest foes, the Daleks. The Doctor encounters the Daleks' enemies, the ruthless android Movellans, who reveal that this is indeed Skaro, and the Daleks are searching for their long-long creator, Davros, in an attempt to tip a stalemate in the Dalek-Movellan war.
Romana regenerates at the beginning of this story.
 

City Of Death by David Agnew, directed by Michael Hayes
In modern-day Paris, the Doctor and Romana realize someone is playing with time. They trace the disturbances to a Count Scarlioni, who is actually one of several fragments of an alien Jagaroth named Scaroth. Scaroth's ship exploded on primordial Earth, scattering shards of him across time. Now Scaroth has accumulated the funds and technology to send himself back in time to prevent the explosion -- but to do so would prevent the evolution of life on Earth, which was started by the explosion. (Working Titles: The Gamble With Time, Curse Of The Sephiroth.)
 

The Creature From The Pit by David Fisher, directed by Christopher Barry
The planet Chloris is plentiful in vegetation but barren of metal. When the time travellers arrive, Chloris' leader, the wicked Adrasta, has the Doctor thrown into a pit at the bottom of which an enormous green monster is supposed to dwell. The Doctor discovers the monster is actually Erato, an ambassador from Tythonus who came to Chloris to trade metal for agriculture, banished to the pit because Adrasta feared losing her monopoly on metal. But the revelation may come too late, as the Tythonians are en route to Chloris, ready to ravage the planet in return for its treatment of their ambassador.
 

Nightmare Of Eden by Bob Baker, directed by Alan Bromley
Two spaceships collide in hyperspace, fusing the ships. Investigating the accident, the Doctor meets Tryst, an eccentric scientist who is carrying samples of various planets in a machine of his. The machine malfunctions, however, unleashing monstrous Mandrels onto both ships. Meanwhile, the time travellers discover that someone on board has been smuggling the illicit, addictive drug vraxoin -- and the series of events is most certainly not unrelated. (Working Title: Nightmare Of Evil.)
 

The Horns Of Nimon by Anthony Read, directed by Kenny McBain
Romana is kidnapped in space by a brutish captain transporting young Anethans to Skonnos, where they will be sacrificed to the bull-like Nimon. The Skonnans believe that the Nimon will bring their planet great prosperity but, with the help of two escaped Anethans, the Doctor learns they are actually intergalactic locusts, ravaging each world foolish enough to believe their lies.
 

Shada by Douglas Adams, directed by Pennant Roberts
Whilst visiting the Doctor's old friend, a retired Time Lord named Professor Chronotis living as a professor in Cambridge, the time travellers encounter the evil scientist Skagra, who has come to Earth to steal a Gallifreyan text in Chronotis' possession. With the book, Skagra can locate Shada, the old Gallifreyan prison planet, where he intends to force Salyavin, a Time Lord criminal with vast mind powers, to help him imprint his mind upon every being in the cosmos. To this end, he kidnaps Romana and the TARDIS and kills Chronotis; left with no companion and no time machine, the Doctor is forced to ally himself with two students to stop Skagra's mad scheme. (Working Title: Sunburst. This story was never completed due to a BBC strike; the finished material was released on video with narrating links by Tom Baker.)
 

The Leisure Hive by David Fisher, directed by Lovett Bickford
In search of a holiday, the TARDIS goes to the famous Leisure Hive on Argolis, a planet ravaged by a nuclear war with the Foamasi years earlier. The main attraction of the Hive is a device called the Tachyon Recreation Generator, but when things start to go mysteriously wrong with the machine, the Doctor realizes evil is afoot in the Hive. He and Romana begin to unearth a tangled conspiracy which may lead to a new, deadlier war between the Argolins and the Foamasi. (Working Title: The Argolins.)
 

Meglos by John Flanagan and Andrew McCulloch, directed by Terence Dudley
The Doctor is called back to the planet Tigella, where the population is divided along religious and scientific lines. Something is going terribly wrong with Tigella's main power source, the Dodecahedron, but before the Doctor can solve the problem, he is accused of its theft. The true culprit is Meglos, a shapeshifting Zolfa-Thuran, who intends to unleash the full power of the Dodecahedron upon the world. (Working Titles: The Last Zolfa-Thuran, The Golden Pentangle.)
 

Full Circle by Andrew Smith, directed by Peter Grimwade
Romana is recalled to Gallifrey, but en route the TARDIS is drawn through a Charged Vacuum Emboitment into another universe, E-Space. Landing on the planet Alzarius, the Doctor meets a group humans who are trying to rebuild their spacecraft, which crashlanded generations ago, so they can return to their native Terradon. When Marshmen begin rising from the swamps during the dreaded time of Mistfall, however, the Doctor realizes there is something amiss on Alzarius, and begins to unravel a genetic riddle which stretches back centuries.
Adric stows away on board the TARDIS at the end of the adventure. (Working Title: The Planet That Slept.)
 

State Of Decay by Terrance Dicks, directed by Peter Moffatt
Still trapped in E-Space, the TARDIS materializes on a medieval planet governed by the Three Who Rule, who keep the townsfolk in a grip of fear. When Romana and Adric are captured, the Doctor teams up with a band of renegade peasants, and discovers the Three Who Rule are vampires, preparing to resurrect one of the greatest enemies the Doctor's people have ever faced. (Working Titles: The Vampire Mutations, The Wasting.)
 

Warriors' Gate by Steve Gallagher, directed by Paul Joyce
Trying to escape from E-Space, the time machine instead lands in an eerie white void whose only feature is a crumbling old keep. Also trapped in the void is a privateering ship captained by the cruel Rorvik whose time sensitive pilot, the leonine Tharil, Birok, escapes and lures the Doctor into the keep and the mirror gateway beyond. There, the Doctor witnesses the rise and fall of the Tharil Empire. He realizes he must free the Tharils enslaved on the privateering ship and escape through the gateway, before Rorvik's vengeful actions destroy them all.
At the end of the story, Romana and K-9 decide to remain in E-Space to help free other captured
Tharils. (Working Title: Dream Time.)
 

The Keeper Of Traken by Johnny Byrne, directed by John Black
The Union of Traken is governed by a Keeper gifted with the powers of the Source. The current Keeper is nearing the end of his thousand-year lifetime, however, and asks the Doctor and Adric -- now back in our own universe of N-Space -- to go to Traken to stop an evil he is aware is plotting to destroy the Union. The source of the evil, the Melkur, has already infiltrated the Consuls of Traken, however, and has the Doctor declared a criminal. Allying himself with Consul Tremas and his daughter, Nyssa, the Time Lord must discover the true power behind the Melkur -- a power who knows the Doctor of old.
 

Logopolis by Christopher H Bidmead, directed by Peter Grimwade
When the Doctor goes to Logopolis, planet of mathematicians, to fix the TARDIS' chameleon circuit, he instead falls into a trap by the Master. The evil Time Lord wants the secret of Logopolis' replica of Earth's Pharos Project radio telescope but instead succeeds in unleashing a wave of entropy which will consume the entire universe. The Doctor and the Master enter into an uneasy alliance and must rely on the help of only Adric, Nyssa, and an airline stewardess named Tegan Jovanka whose aunt was murdered by the Master. But then in the moment of greatest crisis, the Master unveils his trump card, which may lead to either universal domination... or universal destruction.  The Fourth Doctor, now joined by both Nyssa and Tegan, falls from the Pharos Project telescope at the story's end and regenerates.
 

Castrovalva by Christopher H Bidmead, directed by Fiona Cumming
While the Fifth Doctor retreats to the TARDIS Zero Room to recover from his regeneration, the Master kidnaps Adric and sends the TARDIS hurtling back in time to the Big Bang, where it will be torn apart. Tegan and Nyssa manage to save the time machine, and find themselves on Castrovalva, a place legendary for its relaxing nature. But there is a serpent in this Paradise, and discovering its identity may be the only chance to recover Adric from the Master's clutches. (Working Title: The Visitor.)
 
 

Four To Doomsday by Terence Dudley, directed by John Black
Trying to get Tegan back to modern-day Earth, the Doctor instead lands the TARDIS on a spaceship owned by the frog-like Monarch heading towards the Earth. Monarch has visited Earth four times in the past, capturing specimens of our planet's culture each time. His true goal, however, is to find a way to travel faster than light, thereby going back in time where he hopes to meet God, whom he thinks is himself. To do this, however, he has exhausted the resources of his home planet, Urbanka. Now he intends to transplant the Urbankans to Earth -- and kill off the humans to make room for his people. (Working Title: Day Of Wrath.)
 

Kinda by Christopher Bailey, directed by Peter Grimwade
The TARDIS brings the Doctor, Adric, Nyssa and Tegan to the idyllic world of Deva Loka, which is being considered for colonization by Earth. To do so, however, would mean dealing with the natives, savages with mysterious powers who have mentally unbalanced the scientific team sent to investigate Deva Loka. Tegan, meanwhile, has inadvertently allowed an ancient enemy of the Deva Lokans, the serpentine Mara, to invade her mind. Now the Mara intends to wreak its final revenge on Deva Loka. (Working Title: The Kinda.)
 

The Visitation by Eric Saward, directed by Peter Moffatt
It is the year 1666, and the Great Plague is rampant throughout England. The time travellers discover aliens, the Terileptils, have arrived on Earth. They have taken control of much of the local population and are driving away the rest using an android disguised as the Grim Reaper. With the help of unemployed thespian Richard Mace, the Doctor discovers that the Terileptils intend to rid the planet of humans, and have amassed an army of Plague-carrying rats to help them finish the deed. (Working Titles: The Invasion Of The Plague Men, Plague Rats.)
 

Black Orchid by Terence Dudley, directed by Ron Jones
The companions find themselves in 1925 England, where through a case of mistaken identity they become involved in a charity cricket match at Cranleigh Halt. There, Nyssa discovers the Cranleigh's daughter, Ann, is her exact double. The Cranleighs harbor a dark family secret, however -- a hideous monster hidden in a secret wing of their house. Fixated on Ann, it breaks out during a costume ball and kidnaps her... but takes Nyssa by mistake. (Working Title: The Beast.)
 

Earthshock by Eric Saward, directed by Peter Grimwade
In the 25th century, the Doctor comes to the aid of a police force investigating the murder of an scientific team in a chain of caverns on Earth. The Time Lord discovers the killers are actually androids serving the Cybermen, guarding a bomb intended to destroy the planet. The Doctor disarms the bomb but soon learns that the greatest danger is yet to come -- unbeknownst to its crew, a freighter headed for Earth is carrying the greatest army of Cybermen the universe has ever seen.
Adric perishes in the story's climax, stopping the Cybermen from destroying the Earth. (Working Title: Sentinel.)
 

Time-Flight by Peter Grimwade, directed by Ron Jones
When a Concorde disappears, the Doctor is called upon to investigate, and finds it has been stolen back through time to the Pleistocene Era. There, the time travellers discover the Master is at work, using human slaves taken off the Concorde to help him control the evil side of the Xeraphin, whose devastating mental powers the evil Time Lord intends to use to wreak havoc through the cosmos. (Working Title: Xeraphin.)
 

Arc Of Infinity by Johnny Byrne, directed by Ron Jones
The Doctor's bio-data extract is stolen from the Matrix on Gallifrey. When a being from an anti-matter universe begins to genetically bond with the Doctor, the High Council orders the renegade's execution. It is left to Nyssa to uncover the identity of the traitor on the High Council, and to unveil the enemy manipulating the Doctor; and a very old enemy it is, indeed. (Working Title: The Time Of Neman.)
 

Snakedance by Christopher Bailey, directed by Fiona Cumming
The Mara once again invades Tegan's mind and compels her to take the TARDIS to Manussa, seat of its long-lost empire. Generations earlier, the Mara was driven off Manussa with the use of the Great Crystal, a powerful device which enhances its users' mental abilities. Now, the Mara intends to use the Crystal to return to being. It is up to the Doctor to unearth the terrible origins of the Mara, and search out the one man who can show how to defeat the Mara in psychic battle.
 

Mawdryn Undead by Peter Grimwade, directed by Peter Moffatt
The Black Guardian contacts the alien Turlough, who is living amongst boys at an English academy where the Brigadier is now teaching math. The Guardian wants Turlough to kill the Doctor. The TARDIS meanwhile, has brought the time travellers to a space station trapped in a warp ellipse. This is also the prison for a team of scientists led by Mawdryn, who tried to steal the secrets of the Time Lords and were placed in a state of perpetual regeneration as retribution. It is up to the Doctor to find some way to help Mawdryn, but doing so may cost him his remaining regenerations.
Turlough leaves in the TARDIS at the story's conclusion.
 

Terminus by Steve Gallagher, directed by Mary Ridge
Turlough's sabotage causes the TARDIS to make an emergency landing on a space station called Terminus, where victims of the horrible, virulent Lazar disease go to die. The Doctor discovers that Terminus is powered by two enormous engines, one of which exploded, an event which instigated the Big Bang and the creation of the universe. Now the other engine is on the brink of exploding as well -- an event which will have cataclysmic consequences for the cosmos.
At the end of the adventure, Nyssa decides to stay on Terminus to help treat the Lazar victims.
 

Enlightenment by Barbara Clegg, directed by Fiona Cumming
Under the failing influence of the White Guardian, the TARDIS materializes on what appears to be an Edwardian racing yacht. It is soon revealed to be merely a replica, travelling in an enormous interplanetary space race. The competitors are Eternals, immortal beings incapable of imagination or creative thought, who man the ship with mortals, upon whose minds they draw. The prize in the race is Enlightenment, offered up by the Black and White Guardians. One of the Eternals, the vicious Captain Wrack, is in league with the Black Guardian, however, and will stop at nothing to win the race. (Working Title: The Enlighteners.)
 

The King's Demons by Terence Dudley, directed by Tony Virgo
The Doctor, Tegan and Turlough find themselves in 1215 England. They arrive at the castle of Ranulf Fitzwilliam, and are astounded to find King John there too, especially since he is supposed to be in London at the same time, signing the Magna Carta. The time travellers discover the King is not who he claims -- in fact, the King is shapechanging robot named Kamelion under the influence of the Master, who is trying to irreversibly pervert the course of Earth's history.
At the end of the story, the Doctor takes Kamelion with him in the TARDIS.
 

The Five Doctors by Terrance Dicks, directed by Peter Moffatt
A mysterious figure lures the First, Second, Third and Fifth Doctors to the forbidden Death Zone on Gallifrey, along with many of their companions. There, they travel towards the Tomb of Rassilon, encountering many of their deadliest foes along the way. When the Fifth Doctor finds a way to teleport himself to the Capitol, however, it soon becomes increasingly clear that something is very wrong -- a Time Lord traitor is manipulating the Doctors, searching for the secret of immortality possessed by Rassilon himself.
 

Warriors Of The Deep by Johnny Byrne, directed by Pennant Roberts
The TARDIS materializes in a seabase in the year 2084. The Earth in the late 21st century is divided between two power blocs along which a bitter cold war is raging, ever close to developing into a violent, deadly conflict. Mysterious accidents have been happening on the seabase, however, including the deaths of key personnel. Investigating, the time travellers discover that not only have double agents infiltrated the seabase, but the Doctor's old foes, the Silurians and Sea Devils, are plotting to use the seabase to set off a war which will destroy humanity.
 

The Awakening by Eric Pringle, directed by Michael Owen Morris
The Doctor takes Tegan to the village of Little Hodcombe to visit her grandfather. The villagers, led by Sir George Hutchinson, are reenacting events of the English Civil War which took place in the town. But the recreations have revived the Malus, an alien being buried beneath a ruined church which feeds on war and death. Hutchinson has fallen under the Malus' powers and is working to free the imprisoned being -- an effort which sees Tegan cast as the ill-fated Queen of May. (Working Titles: War Game, Poltergeist.)
 

Frontios by Christopher H Bidmead, directed by Ron Jones
The TARDIS lands on the planet Frontios in the far future, where the last vestiges of humanity crashlanded years earlier. The struggling colony is beset by disasters, including deadly meteorite showers and the disappearance of several key colonists who are drawn beneath the ground. The companions discover the culprit is the Gravis and his Tractators, giant insects with incredible powers over gravity. The Gravis intends to transform Frontios into a giant spaceship; once successful, he will be able to spread the terror of the Tractators across the galaxy. (Working Title: The Wanderers.)
 

Resurrection Of The Daleks by Eric Saward, directed by Matthew Robinson
After nearly being torn apart in a time corridor, the time travellers discover that the Daleks are travelling between a warehouse on modern-day Earth and a spacecraft in the future. The Daleks have lost the war with the Movellans due to a virus which affects only their kind. Now, with the help of the mercenary Lytton, they intend to free the imprisoned Davros and have him create an antidote. Once successful, the Daleks will once again be in a position to destroy the Movellans and rampage across the cosmos.  Tired of all the death and violence she has witnessed, Tegan leaves the Doctor at the story's conclusion. (Working Title: The Return.)
 

Planet Of Fire by Peter Grimwade, directed by Fiona Cumming
Turlough rescues a drowning university student named Peri Brown and returns her to the TARDIS to recuperate. Before she can bid her farewell, Kamelion, once again under the Master's control, takes the TARDIS to the planet Sarn. There, his mission is to find the Master, who has been diminished to just inches in height following an accident with his tissue compression eliminator, and restore the evil Time Lord to his full height using Sarn's remarkable numismaton flames. But Sarn has mysterious connections to Turlough's past -- connections which may prove the catalyst in the Master's plans.
Turlough returns to his home planet at the end of the story, and the Doctor destroys Kamelion at the robot's request. Peri travels on with the Time Lord. (Working Title: Planet Of Fear.)
 

The Caves Of Androzani by Robert Holmes, directed by Graeme Harper
After landing on the planet Androzani Minor, the Doctor and Peri develop lethal spectrox toxaemia poisoning. As the two search for a cure before it is too late, they become enmeshed in a decades-old feud between the disfigured roboticist Sharaz Jek and businessman Morgus. Jek falls in love with Peri, but the situation only degenerates when the girl refuses his affections. Between threats from mire beasts and gun runners, it quickly becomes apparent that the Doctor will never find a cure in time to save both himself and his companion.
His body damaged beyond repair by spectrox toxaemia, the Doctor regenerates at the story's end. (Working Title: Chain Reaction.)
 

The Twin Dilemma by Anthony Steven, directed by Peter Moffatt
The Doctor experiences serious regenerative instabilities, leading him to nearly strangle Peri and then decide to live as a hermit on the barren moon of Titan. This leads him to a plot by his old friend, the Time Lord Azmael, who has kidnapped twin mathematical geniuses named Romulus and Remus. Azmael's adopted planet, Jaconda, has been taken over by the sluglike Mestor and his Gastropods, and the Time Lord is now doing Mestor's bidding in order to spare Jaconda further destruction. But even Azmael is unaware of Mestor's true plan -- to destroy Jaconda's sun, and thereby scatter Gastropod eggs throughout the galaxy. (Working Titles: A Switch In Time, A Stitch In Time.)
 

Attack Of The Cybermen by Paula Moore, directed by Matthew Robinson
The TARDIS is commandeered by the mercenary Lytton and a group of Cybermen, who are using another captured time machine to travel back to 1985. There, they intend to use Halley's Comet to destroy the Earth, preventing the destruction of their home planet Mondas in 1986, and thus changing the course of history forever. Taken prisoner on Telos, the Doctor and Peri escape and ally themselves with the Cryons, the natives of Telos who have been all but exterminated by the Cybermen. But in order to stop the Cyberplot, the time travellers may have to rely on none other than Lytton, whose motivations remain a mystery to all. (Working Title: The Cold War.)
 

Vengeance On Varos by Philip Martin, directed by Ron Jones
When the TARDIS runs out of vital Zyton-7 ore, the Doctor makes an emergency landing on the planet Varos, rich in the mineral. Varos is a former penal planet whose residents now derive pleasure purely from the televised tortures which pass across their screens on a daily basis. The Governor of Varos is engaged in negotiations with the ruthless sluglike businessman Sil, who is trying to cheat the Varosians out of their rightful profit on Zyton-7. It is up to the Doctor to stop Sil's plans, and break the natives of Varos from their daily cycle of video nasties. (Working Titles: Domain, Planet Of Fear.)
 

Mark Of The Rani by Pip and Jane Baker, directed by Sarah Hellings
The TARDIS is drawn to Earth during the Luddite Uprisings. There, the Master is trying once again to pervert the planet's history while an evil Time Lady named the Rani is also present, extracting chemicals from the brains of local workers which is necessary for them to sleep. As a result of the Rani's experiments, rioting amongst the workers is intensifying, and it rests with the Doctor to stop the uneasy partnership between the two and restore Earth's history to its proper course. (Working Titles: Too Clever By Far, Enter The Rani.)
 

The Two Doctors by Robert Holmes, directed by Peter Moffatt
The Time Lords send the Second Doctor and Jamie to the Space Station D7 to put an end to time travel experiments going on there. But the Doctor is captured by his former friend Dastari, whose augmented Androgum, Chessene, has entered into a deal with the Sontarans to break Gallifrey's monopoly on time travel. When the Sixth Doctor and Peri also arrive on D7, Jamie teams up with them to recover the Doctor, and stop the ruthless Chessene from propagating her malice throughout time and space. (Working Titles: The Kraglon Inheritance, The Androgum Inheritance.)
 

Timelash by Glen McCoy, directed by Pennant Roberts
Accompanied by a young HG Wells, the Doctor returns to the planet Karfelon, which is now secretly being ruled by the Borad, a scientist horribly mutated into a cross between human and reptilian Morlox. The Borad intends to provoke a war with Karfelon's neighbors, the Bandrils. In the wake of the conflict, he will start a new race on Karfelon -- a race of mutants like himself, of which Peri will be but the first.
 

Revelation Of The Daleks by Eric Saward, directed by Graeme Harper
The time travellers go to Necros to attend the funeral of a former friend of the Doctor's. But there they discover that Davros is posing as the Great Healer of Tranquil Repose, a famed institution where those with mortal illnesses can be placed in suspended animation until a cure for their ailment is found. Davros is experimenting on the comatose bodies to produce a new race of Daleks loyal to himself; and to defeat his old foe, the Doctor may have to ally himself with the original Daleks on Skaro.
 

The Trial Of A Time Lord by Robert Holmes (segments one, four), Philip Martin (segment two) and Pip and Jane Baker (segments three, four), directed by Nicholas Mallett (segment one), Ron Jones (segment two) and Chris Clough (segments three, four)
The TARDIS is summoned by the Time Lords to a space station. There, the Doctor, suffering from amnesia such that he can't remember what happened to Peri, is put on trial again for interfering with other cultures. The Doctor elects to act as his own defense; his prosecutor is a grim figure who calls himself the Valeyard. The Valeyard intends to present two recent adventures of the Doctor, recorded in the Matrix, to demonstrate his case, while the Doctor will show one of his own.
The first adventure the Valeyard show has the Doctor and Peri landing on Ravalox in the far future. The surface of Ravalox was supposed to have been destroyed by a solar flare, but instead the time travellers find it perfectly habitable, and home to the barbaric Tribe of the Free, led by the warlike Queen Katryca. The companions soon discover that Ravalox is actually Earth, having somehow been moved light years across time and space, and that a second race of people lives underground, governed by the robot Drathro. Also on the planet are two conmen, Glitz and Dibber, who have come to steal Drathro's secrets. But Drathro is dying, and his passing will set into motion a chain of events which will tear Ravalox apart. (Working Titles: Wasteland, The Mysterious Planet (by which this segment of the story is commonly identified).)
Next the Valeyard presents the Doctor and Peri's most recent adventure. The dying words of a Thordon warlord send the two to Thoros Alpha, home of the Mentors such as their old foe, Sil. The Mentor leader, Kiv, has had his intelligence enhanced by the human geneticist Crozier, but now his brain is outgrowing his skull. Crozier sets his eyes on Peri as Kiv's brain's new host. But when the Doctor turns evil under the effects of one of Crozier's devices, it is left to the manic warlord King Yrcanos to save his companion. (Working Titles: The Planet Of Sil, Mindwarp (by which this segment of the story is commonly identified).)
Now it is the Doctor's turn, and he presents an adventure from his future when he is travelling with an Earth computer programmer named Mel. Summoned for help by his old friend Captain Travers, it is up to the Doctor to solve a series of mysteries happening on board Travers' ship. Amidst a web of genetic manipulation and political maneuvering, the Doctor discovers that the botanical experiments of a scientific team on the ship has resulted in the creation of a new race of monsters, the Vervoids, who will stop at nothing to destroy all non-plant life. (Working Titles: The Ultimate Foe, The Vervoids. This segment of the story is commonly known as Terror Of The Vervoids.)
The Master appears at the trial, speaking from within the Matrix. He reveals that the entire trial is the result of a conspiracy by the corrupt High Council. Drathro's creators had stolen Matrix secrets and fled to Earth; in revenge, the High Council ravaged the Earth and changed its position in space to cover up their deeds. More importantly, the Valeyard is not who he appears -- he is actually the Doctor, or more precisely the distillation of the Doctor's evil side between his twelfth and final regeneration. The Doctor and Mel, brought to the trial by the Master, pursue the Valeyard into the Matrix and discover he is plotting to destroy the High Council. The Master has also brought Glitz to the trial, however, and allies himself with the crook in his own bid for power. (Working Title: Time Inc. This segment of the story is commonly known as The Ultimate Foe.)
At the end of the story, it is revealed that Peri has elected to wed King Yrcanos, while Mel travels on with the Doctor.
 

Time And The Rani by Pip and Jane Baker, directed by Andrew Morgan
The Rani lures the TARDIS to Lakertya, where she requires the Doctor's help to complete a device which draws on the intelligence of history's greatest geniuses to help her reshape the universe to her own design. To this end, she drugs the newly-regenerated Doctor and masquerades as Mel to gain his trust. The real Mel, however, allies herself with the native Lakertyans, who have been suffering under the rule of the Rani and her bat-like Tetraps. It is up to Mel to raise the Lakertyans to rebellion, and free the Doctor from the Rani's clutches. (Working Title: Strange Matter.)
The Doctor regenerates at the story's beginning, having been mortally wounded by the turbulence caused by the Rani's capturing of the TARDIS.
 

Paradise Towers by Stephen Wyatt, directed by Nicholas Mallett
In desperate need of a holiday, the Doctor and Mel go to the famous Paradise Towers. Upon their arrival, however, they find the complex in chaos. It transpires that, long ago, the adults all went off to fight a war and never returned. Now the only ones left are the Kangs, riotous gangs of teenaged girls; the Rezzies, cannibalistic old women; the Caretakers, who ostensibly look after the Towers; and the cowardly Pex, who had been too afraid to go off to war. But another entity also lurks in Paradise Towers -- Kroagnon, the building's architect, who has taken mental possession of the Chief Caretaker and the cleaning robots in an attempt to rid his creation of human life forever.
 

Delta And The Bannermen by Malcolm Kohll, directed by Chris Clough
The Doctor and Mel win a vacation on a time travelling tour bus to a 1950s holiday camp. Also on the bus is delta, the last of the Chimeron race who is being hunted by the genocidal Bannermen and their brutish leader, Gavrok. When a mercenary on the bus alerts Gavrok to Delta's whereabouts, it is up to the Doctor and Mel to stop the assassins and find a way to give the Chimerons a new lease on life. (Working Title: The Flight Of The Chimeron.)
 

Dragonfire by Ian Briggs, directed by Chris Clough
The TARDIS lands on Iceworld, an enormous shopping complex on Svartos. There, the Doctor and Mel meet up with a time-displaced teenaged waitress from Earth named Ace, and their old friend Glitz who is searching for the treasure of the legendary Dragon who is supposed to dwell beneath Iceworld. But when the Doctor joins Glitz in his quest, they discover more than they bargained for, unearthing the millennia-old secret of Kane, Iceworld's murderous ruler.
 

Remembrance Of The Daleks by Ben Aaronovitch, directed by Andrew Morgan
Two factions of Daleks arrive on 1963 Earth via a time corridor. They are in search of the Hand of Omega, a powerful stellar manipulator the Doctor was hiding prior to accidentally leaving with Ian and Barbara. With the help of the army, it is up to the Doctor and Ace to defeat both of the warring factions, even as the Daleks' human allies infiltrate their party.
 

The Happiness Patrol by Graeme Harper, directed by Chris Clough
Terra Alpha is under the steel fist of Helen A and her chief scientist, a sadistic robot made out of sweets called the Kandyman. Happiness is perpetual on Terra Alpha, because to be unhappy invites the wrath of Helen A's crack police force, the Happiness Patrol. Allying themselves with Terra Alpha's repressed natives, the Pipe People, a former Happiness Patrolwoman named Susan Q and a blues player named Earl Sigma, the time travellers must end Helen A's reign of terror. (Working Title: The Crooked Smile.)
 

Silver Nemesis by Kevin Clarke, directed by Chris Clough
In the year 1738, the Doctor sent a statue called Nemesis, made out of deadly living validium which was once Gallifrey's last line of defense, into orbit around the Earth. In 1988, the Nemesis statue's orbit decays and it returns to Earth, where it is pursued by three factions -- the Cybermen; a Neo-Nazi named DeFlores; and the mad, time-travelling Lady Peinforte, who nearly gained possession of the statue in 1738 and who knows the darkest secrets of the Doctor's past. (Working Title: Nemesis.)
 

The Greatest Show In The Galaxy by Stephen Wyatt, directed by Alan Wareing
Despite Ace's protestations that she hates clowns, the Doctor takes the TARDIS to Segonax to see the famed Psychic Circus. But upon his arrival, the Doctor discovers the Circus has become something sinister -- its founder, Kingpin, has disappeared, the callous Chief Clown deals violently with members who try to flee, and prospective Circus performers must perpetually please an enigmatic family with their act or be killed. With the help of a werewolf named Mags, the companions discover the Circus has fallen under the influence of the evil Gods of Ragnarok, and the Doctor's next performance may prove to be his last.
 

Battlefield by Ben Aaronovitch, directed by Michael Kerrigan
The TARDIS picks up a distress call from modern-day Earth. The Doctor and Ace discover a UNIT platoon, led by Brigadier Bambera, has come under attack whilst transporting a power nuclear warhead. The attackers turn out to be Arthurian knights from another dimension, led by Morgaine whose magical powers appear to be real. When the Doctor meets Ancelyn, a knight opposed to Morgaine, he learns that a future incarnation of himself will become Merlin, and that he himself buried King Arthur and Excalibur beneath the waters of a nearby lake. (Working Titles: Nightfall, Storm Over Avallion.)
 

Ghost Light by Marc Platt, directed by Alan Wareing
The Doctor takes Ace back to 1883, to a house called Gabriel Chase she would burn down a century later due to a lingering feeling of evil. In the 19th century, Gabriel Chase is the home of amateur scientist Josiah Smith, who is doing researches into evolution against the wishes of the Church. But there is far more to Smith than meets the eye -- he is in fact an alien who has spent millennia adapting to humanity, and now intends to assassinate Queen Victoria and take over the British throne. Meanwhile, buried in the basement is Smith's former master, a powerful alien being who intends to halt all evolution on Earth. And the Doctor has inadvertently woken him up. (Working Titles: Bestiary, Life Cycle.)
 

The Curse Of Fenric by Ian Briggs, directed by Nicholas Mallett
The TARDIS lands in England during World War II, at a secret seaside base which houses the Ultima Machine, a powerful codebreaking device. But disturbances plague the base -- Russians are trying to steal the Ultimate Device and vampiric Haemovores are rising from the ocean. The Doctor discovers his ancient foe, Fenric, has manipulated events in order to gain his freedom, and central to Fenric schemes is none other than Ace. (Working Titles: Wolf-Time, The Wolves Of Fenric.)
 

Survival by Rona Munro, directed by Alan Wareing
Ace returns to Perivale to visit her friends, only to find many of them have gone missing. The Doctor discovers that they have been abducted to an alien planet by a race called the Cheetah People. Pursuing them, the time travellers find the Cheetah People are being controlled by the Master, who is trapped on the planet, and is slowly turning into a Cheetah Person himself. The Doctor must find a way off the planet, before they all succumb to the dying planet's animalistic influences. (Working Titles: Cat Flap, Blood Hunt.)
 

Enemy Within by Matthew Jacobs, directed by Geoffrey Sax
The Master forces the TARDIS to crash land in San Francisco the day before New Year's Eve, 1999. The Doctor is shot by gang members and regenerates into his eighth incarnation while the Master possesses the body of an ambulance attendant and deludes a youth named Chang Lee into helping him open the TARDIS' link to the Eye of Harmony. This will allow the Master to seize the Doctor's body for his own, but also causes the molecular structure of the Earth to start to decay. With the help of cardiologist Dr Grace Holloway, the Doctor races against time to save the Earth -- and himself -- before time runs out at the birth of the new millennium. (Note that the title Enemy Within does not appear on-screen, nor in any of the scripts. Rather, it was suggested by Phil Segal as an unofficial title at the Manopticon '96 convention, useful to distinguish it from other Doctor Who adventures.)

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