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.

The heroes fight their android counterparts to recover the Justice League’s powers, while Hugo Strange prepares for The Joinings’ final assault on Earth.

Bruce Wayne suffers amnesia when fighting against Penguin, forgetting his role as Batman, and leaving him able to continue his crime spree. Barbara, who suspects he is Batman but later believes she is mistaken, tries to stop Penguin but is soon captured. With Batgirl in trouble, Alfred decides it’s essential for Bruce to relearn his […]

Ethan is horrified to see himself melt and mutate into a putty-like monster that the police attempt to stop, earning the name “Clayface”. Both Batman and Yin realise that Joker’s invention caused the metamorphosis, and soon find themselves working together to stop him, when he decides to use his new-found powers to go after Chief […]

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.

Bruce finds out from a meeting with Gotham’s mayor, Marion Grange, that the contract for work on the children’s hospital is likely to go to GothCorp instead of Wayne Enterprises, despite his father’s charity work. At the same time, a spate of break-ins at tech firms leads Batman to meeting Firefly, a criminal who uses […]

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.

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 […]

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 […]

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.

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.

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 […]

Alfred finds that a dream he had was all too real when he and Bruce discover that he stole a Ming vase from the mansion. Seeking to find out more, Bruce discovers that Alfred and the butlers of some billionaires he works with, were hypnotised by Spellbinder, a three-eyed mystic with the ability not only […]

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.

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).

When two people are abducted in separate public events on the same day, shortly after each were publicly humiliated, Batman learns that the connection between the victims is a former children’s quiz show called “Think Thank Thunk”, and that the culprit is Arthur Brown, a child prodigy and former contestant, who seeks revenge against those […]

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 […]

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.

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.

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 […]

After Batman captures Ethan Bennett when he breaks into Arkham Asylum to get revenge on Joker, allowing the clown criminal to escape, Bruce, Yin and Dr. Hugo Strange testify on his behalf when he goes on trial for his crimes as Clayface. Bennett is delighted to be released on probation and given a job at […]

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

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.

After he is captured once again, Arnold Wesker is released from Arkham when Dr. Hugo Strange “cures” him by removing Scarface from him, allowing the former criminal to use his ventriloquism to start a new career as a children’s entertainer. Batman is initially suspicious of this, but gives Arnold the benefit of the doubt, unaware […]