A young cousin of Bruce's wreaks havoc by pretending to be Robin, even going so far as to hiring a crook/actor to play the role of Batman!; The Joker unmasks Batman but doesn't reveal his identity. Later, he unmasks the Caped Crusader again, only to reveal a robot beneath the cowl.; Alien bandits create electrical twins of Batman and Robin to fend them off when the Caped Crusaders attempt to enter a strange city that appears out of nowhere.