A Foster's Movie: Imagination Desolation

A Foster's Movie: Imagination Desolation1 is a 2024 American flash-animated adventure comedy film based on the 2004 Cartoon Network original series Foster's Home for Imaginary Friends created by Craig McCracken, produced by Cartoon Network Studios and distributed by Warner Bros. Pictures. Directed by Lauren Faust, McCracken's wife and co-developer of the show, the film stars the voices of Sean Marquette, Keith Ferguson, Grey Griffin, Phil LaMarr, Tom Kenny, Candi Milo and Tom Kane reprising their roles from the series, with Billy Eichner and Jim Parsons as the film's characters. The plot follows Mac and Bloo returning to World's world-in-the-box to save it after it has been taken over by Mac's brother Terrence.

It is the second Cartoon Network feature film to be based on on McCracken's work after The Powerpuff Girls Movie in 2002. The film premieres on July 5, 2024 at the Annecy International Animated Film Festival, and releases theatrically in United States on August 14, 2024 in commemoration to the series' 20th anniversary.