Descriptions, with my comments and ratings for Star Trek, the original series, season 1.
| # | Grd | Title | Description | Theme or comment |
|---|---|---|---|---|
| 1 | B | The Man Trap | Dr Crater; salt monster | superior alien |
| 2 | B | Charlie X | A boy who has been raised by energy beings comes aboard | superior aliens |
| 3 | B | Where No Man Has Gone Before | Strange things happen at the edge of the galaxy | 2nd Pilot |
| 4 | B | The Naked Time | A virus causes crew members to neglect duties; Riley | |
| 5 | B | The Enemy Within | Kirk is split in two by the transporter | transporter malfunction |
| 6 | B | Mudd's Women | Mudd is carrying three women taking a "Venus" drug | |
| 7 | B | What Are Little Girls Made Of? | Andrea; Dr Roger Korby; Lurch | outwitting a machine |
| 8 | B+ | Miri | A planet with only children | alt. Earth |
| 9 | B | Dagger of the Mind | A mental institute planet run by Drs Adams & Van Gelder, Noel | prison planet |
| 10 | A- | The Corbomite Maneuver | The ship is about to be destroyed by a superior ship | superior aliens |
| 11 | A | The Menagerie | The previous captain visits Talos IV, run by illusions | 1st pilot: The Cage |
| 12 | B | The Conscience of the King | The ship takes actors as passengers (Koridian, Kodos) | |
| 13 | B | Balance of Terror | Romulans; Run Silent, Run Deep | |
| 14 | B | Shore Leave | Visiting an amusement park planet where all one's thoughts come true (Finnegan) | superior aliens |
| 15 | C | The Galileo Seven | Spock commands a shuttle | |
| 16 | B | The Squire of Gothos | Trelane has a version of 18th century Earth where he treats the crew like toys | superior aliens |
| 17 | B | Arena | The Metrons; the gorn | classic sci fi; superior aliens |
| 18 | B | Tomorrow is Yesterday | The Enterprise discovers time warp & visits 1967 earth | |
| 19 | B | Court Martial | Sam Gogley; Commdore Stone; Kirk faces a court martial for the death of Finney | incompetent superiors |
| 20 | B | The Return of the Archons | Reger; Landru; "festival!" | outwitting a machine |
| 21 | B | Space Seed | Marla McGivers; Khan; Supermen from a sleeper ship hijack the Enterprise | |
| 22 | B | A Taste of Armageddon | Anar 879; The Enterprise is caught in a war between planets | |
| 23 | B+ | This Side of Paradise | Leila; Sandoval; Spores cause crew members to want to live in paradise | |
| 24 | B | The Devil in the Dark | Miners on a planet are being killed by a silicon creature | The Horta |
| 25 | B | Errand of Mercy | A new enemy, the Klingons fight over the Organians' planet | superior aliens (Organians) |
| 26 | B | The Alternative Factor | A man called Lazarus and his double in a negative universe | sci fi |
| 27 | A | City on the Edge of Forever | Edith Keeler (Joan Collins) | sci fi |
| 28 | B/C | Operation-Annihilate! | Kirk's relatives; TRW; cellular things |
# = Air number