When Man-Bat starts terrorizing Gotham City, everyone mistakenly thinks that Batman is the culprit.
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.
Harvey Dent is poisoned after a dinner date, and Batman makes the horrifying discovery that his date was Poison Ivy.
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 suspend everyone.
When men begin disappearing at a bowery, Bruce Wayne decides to go undercover as a worker.
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 valuable necklace to fund the purchase of land for a mountain lion preserve but is thwarted by a group of terrorists.
When Catwoman infiltrates the underground headquarters of 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 and discovers that the crime may have been committed by an invisible man.
Batman connects recent bombings in Gotham to an episode of an old television series featuring 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.
Clayface learns that the man responsible for his disfigurement is 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 Det. Bullock may be innocent after he is arrested for murder.
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.
Batman’s friend Dr. Leslie Thompkins is taken prisoner by a 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.
Alfred and his friend, Maggie Paige, visit a health spa that is actually run by the nefarious Poison Ivy.
Bruce Wayne wakes up to find that his parents are not dead, he is not Batman and he's engaged to Selina Kyle.
Batman investigates a theft of bearer bonds intended for the starving people of a poor country.
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.
The Joker becomes enraged when the Gotham copyright office rejects his demand for a copyright for his grinning Joker fish.
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.
Selina Kyle uncovers a plot to infect stray animals with a deadly disease that will be transmitted to the human population.
Dr. Hugo Strange's invention, a machine that reads people's thoughts, leads him to discover that Bruce is Batman.
Karl Rossum, owner of Cyberton Labs, has been replacing important authority figures with robot look-alikes.
Batman escapes from being attacked by his own Batcomputer, which was sabotaged by HARDAC.
When Edward Nygma's greedy boss unjustly fires genius him, Nygma seeks revenge in a new guise -- as the Riddler.
When a billionaire builds a casino called the Joker's Wild, the Joker breaks out of Arkham Asylum to destroy it.
When a genetic engineer produces a man-cat hybrid, he kidnaps Selina Kyle to provide his creation with a mate.
Milo tries to use an old friend of Bruce Wayne's, Romulus, to destroy him after Milo injects Romulus with a serum that changes him into a wolf.
Bruce Wayne and Alfred travel to Japan to help Bruce's old martial arts teacher, Sensei Yoru. The sensei's daughter has been kidnapped by Kyodai Ken.
When a man-sized bat ransacks Gotham's harbor, Batman suspects that Dr. Kirk Langstrom is drinking his Man-Bat formula again.
While hiding from the police, Batman's deadliest enemies exchange stories about their mutual nemesis: Batman.
A socialite desperate to create a novel party makes the mistake of inviting the Penguin as her guest of honor.
To prove that he has a superior mind, the Riddler lures Batman into a contest inside a virtual reality computer game.
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.
Batman investigates a notorious global crime cartel, the Society of Shadows, which has begun to operate in Gotham City.
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.
When Clayface's clay-like body begins to disintegrate, he is forced to steal to pay for the expensive ingredients of a possible remedy.
Crime boss Rupert Thorne forces his older brother, a doctor, to perform delicate surgery on Rupert -- and kidnaps Dr. Leslie Thompkins to assist.
When glamorous female magician Zatanna is framed for a robbery during her act, Batman comes to her defense.
While engaged in a high-speed chase, the Penguin's gang escapes and the Batmobile is nearly demolished.
Harley Quinn has broken off with the Joker and teams up with Poison Ivy. Together they wreak havoc on Gotham.
Commissioner Gordon is rumored to be taking bribes from Rupert Thorne. His daughter 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.
Bruce Wayne is temporarily blinded when the Penguin steals a new police helicopter with weaponry developed by WayneTech.
When Robin is mysteriously abducted, Batman's search leads him to meet Ra's Al Ghul, leader of the Society of Shadows.
Batman discovers Ra's Al Ghul’s plan to flood Earth with chemicals and return it to a lush, green planet.
A confused robot that believes it is Batman causes problems for the real Dark Knight.
Believing he's the reincarnation of Zeus, a mad shipping magnate mounts a stolen electron cannon atop his penthouse.
Batman investigates a series of baffling crimes and discovers that the crime czar is a wooden dummy.
Veronica Vreeland returns from Central America with tiny handmade dolls that are controlled by the Mad Hatter.