Wonder Woman and Batman & Robin meet up with a misguided genius, Dr. Cranum, and his Brain Machine. The Wonder Twins and space monkey Gleek have to teach some youngsters a lesson about the dangers of joyriding in an airplane. The SuperFriends match wits and skills in an underground adventure against the mysterious mining monsters known as the Earthors. Aquaman and special guest Black Vulcan find themselves facing the force of a shipwrecking whirlpool.