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 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.

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

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.

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

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

Selina Kyle uncovers a plot to infect stray animals with a deadly disease that will be transmitted to the human population.

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.

When a man-sized bat ransacks Gotham harbor, Batman suspects that Dr. Kirk Langstrom is drinking his Man-Bat formula again.

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

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

Harley Quinn has broken off with the Joker and teams up with Poison Ivy. Together they wreck havoc on Gotham and now Joker wants a piece of the action.

Batman investigates a series of baffling crimes and discovers that the crime czar is a wooden dummy, manipulated by a mild-mannered man called the Ventriloquist.

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.

Killer Croc escapes when being transported to prison and hides out with a group of circus people.

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

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

Catwoman's attempt to go straight runs into problems when she is enticed into one last job by the Ventriloquist.

Alfred, a former British spy, is called into duty and becomes of the target of the Red Claw.