Here are Star Wars references found in SouthPark

Pink Eye (1997) - Edited to contain only the SW references.

Kyle: No way dude. I'm gonna win the costume contest with this sweet Chewbacca costume.

Kyle: Just wait till everyone sees my sweet Chewbacca costume. They're gonna be so jealous.

The entire class has a Chewbacca mask on.

Stan: Woah dude!

Kyle: Everyone came as Chewbacca?!?

Mr. Garrison is dressed as Marilyn Monroe, Mr. Hat has a Chewbacca mask on.

Mr. Garrison: It sure does seem to be a popular costume this year Kyle.

Mr. Hat: Roar.

Wendy: I thought you would reach the same conclusion, so, I came as Chewbacca.

Cartman: You're just jealous. Why don't you go back to Endor you stupid Wookiee?

Kyle: Wookiees don't live on Endor!

Cartman: (In a mocking voice) Wookiees don't live on Endor.

Mr. Garrison: Ok now, all you little Chewbaccas take your seats.

Mr. Garrison: And the award for the very best costume goes to...Wendy, for her Chewbacca costume!

Trey Paker in TV Guide 3/28-4/3: “In a very special episode you’ll see Kenny’s face. It’ll be like Darth Vader in ‘The Empire Strikes Back.’”

In the Episode Clubhouses, 1999.
Cartman wants to build a treehouse that's better than Stan and Kyle's. He pulls out blueprints for them entitled, Ewok Village 2000.

Halloween (1999) - Wendy wins the costume contest with her Cewbacca mask, same as the original Halloween episode. Kenny is inside an ED-209 (Robocop) costume he built and at the end little Snowspeeders tie cable around his legs, trip him and blow him up like in ESB.

 

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