Back at the Barnyard Season 1 Episode 40

Dummy and Dummier

When Freddy gets depressed over his lack of talent, Otis and the gang decide to make him take up ventriloquism. The dummy that they make, Mr. Jinx, comes alive, however, and tries to kill them. It turns out that a colony of termites has possessed Mr. Jinx to get revenge on them for using their tree to create Mr. Jinx.