Batman uses a Kryptonian evolution machine to evolve himself but becomes jealous of Superman and turns him into a caveman.; Caveman Superman chases Batman into the future and then takes him to prehistoric times.; Congo Bill runs berserk when he accidentally rubs his ring and switches places with Congorilla while in the middle of a town.; Super-Turtle tries to keep trim by flying into the sky and zooming down, burrowing underground. He discovers a stack of gold bars, assuming they were buried by crooks, but then realizes he has breached Fort Knox.