Episode Title:Totally Into Your Body / Fish and Chips.Episode Description:Totally Into Your Body: After Boone fools around on the zapping platform, he and Penn swap roles, so Boone takes on the role of hero for their mission. Boone and Sashi are a science crew who have been shrunken down to cure Penn, an infected patient, by injecting him with medicine from the inside. Meanwhile, Rippen and Larry are also inside Penn's body and are trying to stop the team from completing their mission.
Fish and Chips: When Penn, Boone, and Sashi return to the underwater world, Penn questions the importance of their mission to find an unpopular royal fish named Rufus.