Dr. Droid's creation of a robot with the brainwaves of a mouse runs amuck in Wheatville. The Wonder Twins try to save two vandals who trash a print shop at Midland High School and then get in trouble in a faulty elevator. The Super Friends are forced to fight each other in a coliseum after they search for the captured Aquaman in an underwater kingdom. An experimental energy mass takes over the controls of a runaway train. Wonder Woman teaches the need for an emergency list while Batman & Robin teach about the dangers of electric wires and sockets.