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

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.

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

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.

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

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

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.

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.

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

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

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

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 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.

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

Alfred and his friend, Maggie Paige, visit a health spa that is actually run by the nefarious Poison Ivy.

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.

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

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

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.

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

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 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 investigates a theft of bearer bonds intended for the starving people of a poor country.