A swamp creature steals the plans for a new engine. A pair of runaways get in trouble. A vengeful scientist tries to get a planet to collide with Earth. A reckless scientist traps himself 2000 years in the future.

In an effort to make everyone too afraid to commit crimes and start wars, Dr. Fright releases fear gas from a blimp over Metropolis. Batman & Robin rescue a skateboarder. The Wonder Twins rescue drag-racing teens from a hill's edge. A radioactive meteorite at Big Cypress Swamp creates plant creatures which turn people-and some chickens-into zombie plant creatures themselves. Rima, Batman & Robin chase two escaped convicts out on community service duty who had stolen a truck with dynamite in it. The heroes try to reach them before the heat from the forest fire can ignite it while the escapees rescue a trapped family from the fire. Wonder Woman shows a girl how to make a homemade yo-yo. Superman shows how to treat first-degree burns.

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.