The Brave Little Toaster Goes to Mars is the name of both a children's book by Thomas M. Disch, as well as the film made from same. Both are sequels to the book and film versions of The Brave Little Toaster. The film was produced by Hyperion Animation and distributed by Walt Disney Home Video and released in 1998. It featured the last performance of actor DeForest Kelley before his death in 1999.
The plot takes place after The Brave Little Toaster to the Rescue as the group already knows Ratso the rat, and Wittgenstein the supercomputer, having met him in To the Rescue. Ratso also refers to him as "our old college buddy"; Rob is in college in the previous film.