The War on Imagination

Cast(in order of appearance): Elliot, Calvin, Hobbes, Zoe, Socrates, Andy Adams, Sherman, Susie Derkins, MTM, Sally, Athlea, Holographic Retro, Burnt Out Star, Derek, calvin's parents, dr. Brainstorm, jack, iron Calvin, Cal-R, Moe

Plot
When Calvin is sent to a summer camp without Hobbes, he meets new friends and a new villain that might be the worst he's ever encountered.

Triva

 * Sally and Althiea return. However, due to the universal reset at the end of the collective they aren't imaginary anymore.
 * This is the first of the 5 last TV movies of Calvin and Hobbes the Animated Cartoon Adventures