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.