After he falls into Scarecrow's trap, Batman is fitted with a helmet that slowly releases a fear-inducing gas, leaving him terrified of everything around him--even Robin and Nightwing, who are trying to save him.
Batman fan Ernest Fann takes on the secret persona Gerbilwing and sets up a crime fighting unit with his friends and dog, but things become a little too real when Ernest and his friends visit a bank in the middle of a robbery.
When the Penguin and his gang steal a rare blue tiger cub from the Gotham City Zoo it is up to Batgirl and Misty, her crime-fighting superpet to catch the thieves, and return the tiger.
When an ancient Greek crypt at the Gotham City Museum of Natural History is opened unleashing mythological monsters, the Mystery Inc. gang team up with Batman and Batwoman to battle the creatures and uncover the super-criminal behind the mayhem.