Some South Park episodes stand out because they changed the show's direction, from "Scott Tenorman Must Die" to "Casa Bonita.

South Park has been on the air for over two ... popular culture properties that inspired them, as the three “Imaginationland” ...

Stan and Butters are stuck in Imaginationland and must fight for their lives against an army of imaginary evil forces; Kyle and Cartman are still arguing in the Pentagon.

Stan and Kyle are being held at the Pentagon until they reveal how they got into Imaginationland; Cartman is on a Rambo-style quest to make Kyle hold up his side of a bet.