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

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

Bruce Wayne wakes up to find that his parents are not dead, he is not Batman, and he's engaged to Selina Kyle.

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

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 Wayne's parents, Batman expresses doubts about whether or not he should continue his one-man war against crime.

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.

All of Batman's enemies team together to put Batman on trial and send him to Arkham Asylum.

Harley Quinn agrees to help Batman and Robin find the location of a stolen atomic bomb placed somewhere in Gotham by the Joker.

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.

While hiding from the police, Batman's deadliest enemies exchange stories about their mutual nemesis—Batman.

Sidney Debris, a small-time mobster, earns the hatred of all of Batman's enemies when he claims to have accidentally killed Batman during a brawl.

Poison Ivy appears to have stopped her crime spree when she marries a doctor with two sons to raise. However, crimes continue occurring in the Poison Ivy style, leaving Batman to question her innocence.

Harley gets herself into a whole mess of trouble after she steals Bruce Wayne's car and kidnaps his girlfriend.

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.

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

A confused robot that believes he is Batman causes problems for the real Dark Knight.

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

When genius Edward Nygma's greedy boss unjustly fires him, Nygma seeks revenge as the Riddler.

When Clayface's clay-like body begins to disintegrate, he is forced to steal to pay for the expensive ingredients of a possible remedy.

Batman and Robin are puzzled by the sudden kidnapping of Two-Face, who was on his way to have his face fixed.

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

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

Dr. Hugo Strange's invention, a machine that reads people's thoughts, leads him to discover that Bruce Wayne is Batman.