Bat-Mite shows up again to have some fun and decides to give Ace some super powers, which he uses to aid the Caped Crusaders. However, when Ace chases crooks into a cave, the mine fumes cause havoc with the dog's super powers, and he turns on the Dynamic Duo.; Matt Carter returns from a jungle expedition and, although racked with fever, recounts stories of giant animals that he found including a dinosaur.; The Caped Crusaders must deal with some criminals who are posing as them in public, and are getting away with it because the Batman impersonator actually has one of Batman's authentic utility belts that he stole.