When a vicious bat creature known as Man-Bat, starts terrorizing Gotham City, everyone mistakenly thinks that Batman is the culprit. Batman must find out who the mysterious Man-Bat is and clear his own name.

The Joker kidnaps three prominent citizens during Christmas and challenges Batman to find him before midnight.

A horrifying villain named Scarecrow spreads fear gas and wreaks havoc at Gotham State University.

The Joker employs a lethal mind-altering laughing gas to transform the citizens of Gotham into total fools.

When District Attorney Harvey Dent is poisoned after a dinner date, Batman makes the horrifying discovery that his date was Poison Ivy, a plant-obsessed villainess.

Batman discovers a gang of forgotten runaways living deep within the Gotham sewer system.

Bullock's account of a botched sting operation is so at odds with the other officers' testimony that the police investigator suspends everyone involved.

When men begin disappearing at a bowery, Bruce Wayne decides to go undercover as a worker. He loses his memory after he is attacked, kidnapped and forced to work in a mining camp.

The Joker infiltrates the birthday party of Mayor Hill's son in order to plant a bomb.

District Attorney Harvey Dent hides a deep dark secret--he has a second personality, Big Bad Harv, a tough gangster.

Two-Face, the former Harvey Dent, begins an aggressive campaign against his hated rival, Rupert Thorne.

An aging Mob boss learns his drug dealings have contributed to his son's drug addiction.

After the Penguin sprays Batman with nerve gas, a 12-year-old boy rescues the unconscious hero and hides him in his basement.

Brilliant cryogenics expert Dr. Victor Fries is transformed into Mr. Freeze, a vengeful creature who can only survive in subzero temperatures.

Catwoman steals a necklace to finance the purchase of land for a mountain lion reserve, but is stopped by a group of terrorists.

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.

After a fortune disappears from a gem exposition, Batman investigates. He discovers that the crime may have been committed by an invisible man, an ex-con named Lloyd Ventris.

Batman connects recent bombings in Gotham to an episode of an old television series featuring his favorite boyhood hero, the 'Gray Ghost.'

Bruce begins to worry when all of his wealthy friends join the same Brotherhood group run by Nostromos, a so-called psychic.

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.

Clayface learns that the man responsible for his disfigurement is to appear on TV, promoting a skin conditioner containing the same chemical that deformed him.

When a timid accountant accidentally runs afoul of the Joker, he promises the Joker anything if the villain will only let him go.

Batman suspects that an imprisoned Detective Bullock may be innocent after he is arrested for murder. The real murderer turns out to be Killer Croc, who framed Bullock to get revenge.

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

When a maniacally punctilious man faces financial ruin because of attorney Hamilton Hill, he transforms into the devious Clock King and swears revenge on Hill, now the mayor of Gotham.

Batman's friend, Dr. Leslie Thompkins, is taken prisoner by a ruthless land developer after she uncovers his devious plans.

The Mad Hatter puts the city of Gotham under his control in an attempt to impress a woman, Alice, with whom he is in love.

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