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.

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.

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.

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

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.

When Wayne Enterprises is robbed by a mysterious figure known as the Ninja, Batman and Robin discover that the Ninja is an old nemesis of Bruce Wayne.

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

On the anniversary of the death of Bruce's parents, Batman expresses doubts about whether or not he should continue his one-man war against crime.

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

When a billionaire builds a casino called the Joker's Wild, the Joker breaks out of Arkham Asylum to destroy it.

Commissioner Gordon is rumored to be taking bribes from Rupert Thorne. His daughter Barbara sets out to prove that he's innocent.

Robin, who discovers that Gil Mason is in league with a powerful crime boss, encounters Batgirl as she tries to clear her father's name.

The Riddler appears to have gone straight when he develops a new and successful puzzle based toy.

Baby-Doll, a former child star, pours out her frustrations on her TV family by kidnapping them and holding them hostage.

Batman and Robin investigate a string of crimes committed by a group of famous comedians brainwashed by the Joker.

Lyle Bolton Arkam's former chief of security becomes the vigilante Lock-up and kidnaps Commissioner Gordon and Mayor Hill seeing them as the cause of rampant crime in Gotham City.

Batman helps Detective Harvey Bullock who appears to be the target of someone's revenge.