On the Invention Exchange, Joel comes up with something for motorcycles. Doctor Forester and Larry come up with something to make people leave a party. As a prelude to the Robot Vs. The Aztec Mummy, the crew are forced to watch the first chapter of Radar Men From the Moon featuring Commando Cody. The Aztec Mummy has to defend ancient treasure from a crooks lusts when he builds a robot to take on the ancient mummy while the crew watches.

Joel and the robots are forced to watch a old Bela Lugosi movie about a mad scientist who is kidnapping brides in an attempt to keep his wife young. Also features a chapter of the Commander Cody serial as a lead in to the movie.