Episode Title:Brain Switch / Koikawa Harumachi.Episode Description:Brain Switch: Sherman is tired of being a kid, so he and Peabody swap brains so he can be an adult, but things quickly go off-kilter when everyone starts switching.
Koikawa Harumachi: Koikawa Harumachi, the creator of the comic book, has trouble reigning in his overactive imagination and unleashes a literary monster into the real world.