Catwoman seems to be the suspect in the theft of a rare Black Siberian Leopard, but it soon turns out that Joker is behind the theft when Batman and Batgirl investigate and attempt to protect a second leopard of the same breed, unaware that Catwoman is interested in the matter. When all three discover that […]

When Gotham’s police and government officials, including Mayor Grange and Commissioner Gordon, enact strange, new laws, Barbara discovers that the cause is a mysterious plant that they all received. Batman and Batgirl soon discover that Poison Ivy is responsible and that she has replaced the officials with plant-based copies, leading the pair to stop her […]

Cosmo Krank seemed to be an ingenious toymaker, but all of his creations were dangerous for kids to use, leading to Bruce and Wayne Industries shutting his company down. However, Bruce soon finds himself the target of the toymaker, who seeks revenge by killing him with newer, diabolical versions of his toys. Knowing that Batman […]

Upset that Batman and his new sidekick, Batgirl, are ruining his plans, Joker decides that he needs a partner of his own. He soon finds the right person in Donnie, a misguided prankster who attends classes at the same high school as Barbara. When she realises that Donnie is Joker’s new sidekick called Prank, she […]

No one could have anticipated that Maximillian Zeus, a technology entrepreneur, billionaire, and Greek and Roman history fanatic, would seek to take control of Gotham, but it does when he looks set to lose to Mayor Grange during a mayoral election. Using a giant aircraft called New Olympus that is equipped with a powerful weapon […]

Alfred is surprised when an old school friend of his turns up in Gotham and invites his friend on a treasure hunt. Although weary of his friend, Alfred agrees, unaware that the treasure being sought out for, is the target of both Penguin and Mr. Freeze. Batman is forced to join the hunt, and soon […]

A new villain emerges in the form of D.A.V.E. (Digitally Advanced Villain Emulator), an AI database created by Hugo Strange that is encoded with the minds of Gotham’s greatest criminals and breaks free to commit crimes. Batman finds himself trying to stop D.A.V.E., when the AI proclaims itself as the ultimate criminal and plans to […]

After a young circus performer named Richard Grayson loses his parents to a criminal named Tony Zucco, Bruce adopts the boy, since he knows what it feels like to lose his family. Batman then sets out to bring Mr. and Mrs. Grayson’s killer to justice. Once Bruce’s secret is revealed, Richard joins Batman as his […]

After watching a movie about criminal masterminds, Penguin forms Team Penguin along with Killer Croc, Ragdoll, Firefly and newcomer Killer Moth in order to finally take Batman down. Meanwhile, Batgirl and Robin must learn how to work together. However, Moth gets infected by a chemical which the team stole, and pupates into a giant, monstrous […]

After Ethan Bennett foils one of Joker’s plans, he plans to prove himself to Batman by turning a new leaf. Meanwhile, has-been actor Basil Karlo steals the mutagen responsible for mutating Bennett and becomes the new Clayface. Batman is unsure if he can trust Ethan enough to let him help stop Karlo.

When evidence from a series of art thefts by the Everywhere Man, a new costumed villain with the power to replicate, implicates Bruce’s close friend John Marlowe, Batman believes there must be another explanation. Now, Batman must unmask the identity of the “Everywhere Man” and prove his friend’s innocence.

After Batman apprehends Black Mask, his henchmen plan to spring him from Gotham P.D. so that Black Mask can activate his doomsday device. When Batman is captured, Batgirl and Robin must stop the villain and save the city on their own.

Hugo Strange infects the population of Gotham City with a virus that transforms them into zombies, and only Batman and Robin are left to find and distribute the antidote.

A thousand years into the possible future, the citizens of new Gotham must uncover the history of Batman in order to stop a new-and-improved Mr. Freeze. This episode is partly inspired by Frank Miller’s The Dark Knight Returns and by Tom Stoppard’s Arcadia (play).

The Bat Team goes up against an unstoppable thief who knows their every move.

Riddler and Batman are in a crate, dropped at the bottom of Gotham Harbor. Riddler reveals his origins.

When Daytime TV host Harleen Quinzell is canceled from her television program for ambushing Bruce Wayne and for her bad advice, Joker takes an interest and decides to turn her into his partner in crime, Harley Quinn.

The villains of Gotham City are disappearing, each one defeated and captured by an invisible vigilante named Rumor. Batman and Robin must defeat Rumor before he has a chance to execute all the villains.

Bruce discovers that Wayne Industries is distributing alien technology across the world and gains the aid of a mysterious ally, who warns him of an alien race threatening to conquer Earth. Meanwhile, Batman begins to wonder whether he’d be better off without Batgirl and Robin.

The Joining has launched its attack on Earth and the key to defeating them is Wayne Industries’ satellites. As Batman and Martian Manhunter attempt to penetrate Wayne Towers, Alfred encourages Batgirl and Robin to disobey Batman while the battle for Earth begins.

Batman and Superman find themselves teamed up when Lex Luthor begins his operations in Gotham City to take down Superman, and employs a horde of Batman’s villains to do so. Lex later on gets a hold of Poison Ivy’s mind control gas, laces it with Kryptonite, and now becomes able to control Superman’s mind.

Batman and Robin must battle Superman, who is now under the mind control of Lex Luthor, as the villain plans to launch a wave of Lex Corps’ robots and take over all of the world’s armies.

Batman welcomes another member of the Justice League to Gotham as he teams up with Green Arrow when Count Vertigo, a villain who can affect people’s sense of balance, arrives in the city with a diabolical plan.

Firefly tries to upgrade his powers with the aid of his new girlfriend Blaze, but is exposed to radioactive phosphorus and takes on a more dangerous identity as Phosphorus. Now The Bat Team must stop him from using a nuclear power plant to blow up Gotham.

Batman and Robin team up with Flash to thwart Mirror Master’s plans to trap everyone in their own mirror image.

Gotham citizens are bursting into hysterical laughter and dumping their stolen goods into the river, putting Batman, Robin and Batgirl onto the trail of The Joker, who is using a steam train to commit his new crime wave.

Green Lantern seeks Batman’s help in locating renegade Green Lantern Sinestro, but when the villain comes to Earth, Penguin ends up with the hero’s power ring.

With the help of a hacker, Joker’s mind is downloaded into a computer, enabling him to control the new WayneTech Nanobots. This creates a new and improved body who attempts to destroy Batman, Robin, and the original Joker.

A trio of college misfits use stolen mutagens from Doctor Kirk Langstrom to mutate themselves into human-animal forms and get revenge on those who have scorned them.

Wrath and Scorn, the Dynamic Duo’s evil counterparts, are helping Joker, Penguin, Killer Croc, and Ventriloquist and Scarface with a job and Batman and Robin must stop their evil counterparts.

When Black Mask hires Hawkman’s foe the Shadow Thief to break him out of Arkham and assist in the theft of a meteorite, Batman must team up with Hawkman to defeat the villains.

The super-powered members of the Justice League begin disappearing one by one. Only Batman, Robin, and Green Arrow are left to investigate and discover that their old enemies and The Joining are involved.