Some of the boys from South Park Elementary find themselves on a balloon ride to an imaginary land. Upon their arrival they're faced with an unimaginable threat.
Unfortunately the movie South Park: Imaginationland is not yet available on HBO Max.
| Writing | Trey Parker | Writer |
| Writing | Matt Stone | Writer |
| Directing | Trey Parker | Director |
| Visual Effects | Anthony Sant'Anselmo | Animation |
| Visual Effects | Ryan Quincy | Animation Director |
| Sound | Jamie Dunlap | Music |
| Production | Frank C. Agnone II | Supervising Producer |
| Sound | Scott Nickoley | Music |
| Production | Eric Stough | Producer |
| Production | Anne Garefino | Executive Producer |
| Production | Pam Brady | Producer |
| Production | Trey Parker | Executive Producer |
| Production | Kyle McCulloch | Producer |
| Production | Matt Stone | Executive Producer |
| Production | Erica Rivinoja | Producer |
| Production | Bruce Howell | Producer |
| Production | Adrien Beard | Producer |
| Production | Vernon Chatman | Producer |
