Baby Doll becomes enamored of Killer Croc, and the pair forms a very unlikely yet very successful criminal duo. However, their partnership soon falls apart when Baby Doll learns that Croc is only using her to further his own criminal career.

A genetic engineer goes overboard in creating bigger livestock and loses all his money. A year later, an army of mutant farm animals terrorize Gotham City.

Batman tries to help Catwoman, who is being chased by a cat cult due to a statue she stole.

In an effort to further distance himself from Batman, Nightwing tries to go it alone to stop a smuggling ring and gets unexpected help from the seductive Catwoman.

Batman and Robin assist occultist Jason Blood when Klarion the Witch-boy takes control of Blood's alter-ego, Etrigan the Demon.

Nightwing tells Robin the story of how he and Batman grew apart. The story reveals how Batgirl discovered Batman and Robin's true identities, and also explains some of the romantic flare between Barbara and Dick.

Mr. Freeze returns and seeks revenge on Gotham City, with a big surprise for Batman.

A series of thefts is being committed by circus animals in a town where Nightwing's old circus is performing. Is it an old friend that is training the animals to steal, or someone else?

A lovelorn pyrotechnic engineer, Garfield Lynns, gets dumped by a big time singer named Cassidy. Lynns becomes the supervillain Firefly, bent on burning the woman who burned him.

A group of Gotham City youths tell their stories about what they believe the Dark Knight to really be like. One story is reminiscent of the Dick Sprang era comics from the 1950s and/or the 1960s live-action Batman television series. Another is reminiscent of Frank Miller's 1986 graphic novel The Dark Knight Returns.

During the Christmas season, Harley and Poison Ivy lure Bruce into a hypnotic shopping spree while Joker threatens Gotham with a sonic bomb loud enough to deafen anyone within earshot of its explosion.

The origins of Tim Drake are traced, from street-tough and member of Two-Face's gang to the new Robin.

Bruce Wayne, along with other wealthy denizens of Gotham, fall in love with their ideal mate, who all happen to have green eyes. Wayne decides to marry, and gives up being Batman forever. However, an old enemy's latest plot is being set into motion...

The Scarecrow develops a new toxin that, rather than inducing fear, eliminates it, making average people incredibly reckless and dangerous.

Batman pursues an ex-model, who is now looking for revenge and calling herself "Calendar Girl".

Livewire escapes during a prison transfer and runs amok in Gotham, joining forces with Poison Ivy and Harley Quinn. With the Dark Knight away, Batgirl teams up with Supergirl to face the deadly trio.

Exposure to a weird mixture of chemicals, including the Joker's laughing gas, changes straitlaced newsman Jack Ryder into the crazed Creeper. He looks to kill the Joker, and develops a much unwanted crush on Harley.

Robin fights to protect a young girl with amnesia who is being stalked by her "father", who turns out to be Clayface. Having created the girl from his own body to scout out the city, he now intends to reabsorb her.

Former stuntwoman and adrenaline junkie Roxanne Sutton becomes the rocket-riding thief Roxy Rocket, to chase danger and excitement.

Arnold Wesker is released from Arkham, completely free of his Scarface persona. But Scarface's old gang, needing their old boss back, begin working to drive Wesker back to his old ways.

A new, mysterious vigilante known as the Judge appears and targets Gotham's rogue's gallery with ruthless fury.

Harley reflects on her first meeting with the Joker as she plots to eliminate her main competition in his attentions—Batman.

During a fight with the Scarecrow, Batgirl is ambushed on a rooftop and falls to her death. Having watched his daughter's demise, Jim Gordon blames Batman for her fate and vows revenge, even recruiting Bane in the process.

Crime boss Edward "The King" Barlow dies and in his will leaves his arch-rival, the Joker, a large fortune. Joker immediately goes on a shopping spree, even searching for a replacement for Harley Quinn, but realizes too late that all the money is fake.