A popular actor renowned for his ability to play any part has a terrible secret--he's addicted to a strange chemical formula that enables him to alter his facial features without makeup.

When Catwoman infiltrates the underground headquarters of the terrorists, both she and Batman are captured and left to die as victims of a viral plague.

The Scarecrow uses a fear chemical triggered by adrenaline on Gotham's greatest athletes, then bets against them to reap the winnings.

Batman must thwart the Scarecrow's plan to poison Gotham's water supply with a chemical that induces hallucinations.

Professor Milo tries to use an old friend of Bruce Wayne's, Anthony Romulus, to destroy him after Milo injects Romulus with a serum that changes him into a wolf.

To prove that he has a superior mind, the Riddler lures Batman into a contest inside a virtual reality computer game.

When glamorous female magician Zatanna is framed for a robbery during her act, Batman comes to her defense.

After learning the name of an extortion ringleader, Batman mysteriously refuses to let Robin continue the investigation with him.

Despite Batman's orders not to, Robin pursues Tony Zucco, the criminal who was responsible for the death of Robin's parents.