A thousand years into the future, the citizens of new Gotham City are terrorized by a dangerous villain from the past. They must uncover the history of the Batman in order to defend themselves without him.

Martian Manhunter's prediction of an alien invasion by The Joining has come true. After failing to save the city on his own, the Batman learns that even the greatest heroes have to sometimes rely on help.

After a young circus performer named Dick Grayson loses his parents to a criminal named Tony Zucco, Bruce Wayne adopts the young boy and, as Batman, tries to help him capture the crime boss who is responsible for killing his family.

After watching a movie about criminal masterminds, Penguin assembles an all-star team of Gotham's most dangerous villains to take down Batman. Meanwhile, Batgirl and Robin try to work together for the first time.

Joker, Penguin and Riddler battle over control of the City. They finally decide to settle their differences by giving all of Gotham over to whoever is able to capture and discover the true identity of the Batman.

Hugo Strange infects the population of Gotham City with a deadly toxin that transforms everyone into zombies. Uninfected, Batman and Robin must race against time to find and distribute the antidote before the change becomes permanent.

Joker, dressed as Batman, begins a new reign of terror in Gotham. When the real Batman tries to stop him, Joker injects him with a poison that will cause him to laugh to death, unless he can come up with an antidote.

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

Batman is pitted against a new villain named Clayface, who can transform his body as if it were clay and impersonate anyone he chooses! Before The Batman can stop him, he will learn Clayface's shocking dark secret!

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 on their own.

Joker wreaks havoc on all of Gotham with a new gizmo that can morph any object into rubber or putty. Meanwhile, the Chief of Police pressures his detectives to take down The Batman once and for all.

Maximillian Zeus, a millionaire who is also a Greek history fanatic, takes control of Gotham from the sky after losing to Mayor Grange in an election.

The GCPD find themselves dealing with a new threat in the form of Riddler, who has planted a bomb at Gotham's city hall. Fearing that Riddler will make good on his threat to destroy the city, Detective Yin, secretly aided by Batman, must work to solve a string of riddles that have been scattered throughout Gotham.

The Riddler and Batman are dropped at the bottom of Gotham Harbor where he discovers what role he played in the origin of the villainous Riddler. Batman must find a way to save them both from certain death.

Ragdoll, a triple-jointed contortionist, crosses paths with Batman and Catwoman while continuously trying to steal priceless artifacts. As a civilian, Selina Kyle befriends Bruce Wayne, but her intentions may not be so straightforward.

Hugo Strange creates a AI database called D.A.V.E. (Digitally Advanced Villain Emulator), encoded with the minds of Gotham's greatest criminals, in order to better predict their crimes. However, DAVE breaks free and proclaims himself to be "Gotham's ultimate criminal mastermind".

Oswald Cobblepot, the Penguin, has delusions of rebuilding the lost Cobblepot fortune with his birds that perform robberies.

Clayface turns himself over to the police, promising to give up his criminal past and prove himself to Batman. And the arrival of a new villain might be the perfect opportunity to redeem himself.

Batman is on the trail of Mr Freeze, a villain who uses ice technology as a means of stealing the objects of his passion: the rarest, most valuable diamonds.

Joker takes Detective Yin hostage, but once captured he refuses to tell of her whereabouts. Convinced it's the only way to learn Yin's location before she meets her demise, Batman uses a device created by Professor Hugo Strange to enter the bizarre brain of the Joker in search of an answer.

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

Firefly tries to upgrade his powers with the aid of his new girlfriend Blaze, but is exposed to radioactive phosphorous and takes on a new more dangerous identity as Phosphorus.

A series of bizarre and dramatic kidnappings lead Batman into the den of the Cluemaster, a washed-up and demented ex-game show champion.

Batman welcomes another member of the Justice League to Gotham – Green Arrow. The two team up when Vertigo, a villain who can affect people's sense of balance, arrives in the city with a diabolical plan.

Batman investigates why high ranking Gotham politicians have abandoned plans for a new hospital in favor of preserving the city's green areas. It soon becomes clear they are under the influence of Poison Ivy.

After getting his hands on Bane's steroid apparatus, Joker uses it to bulk up to monstrous proportions. As Joker toys with the city with his superhuman strength, The Batman and Batgirl must find a way to defeat this unstoppable force.

A strange mishap causes the Joker's mind and personality to be downloaded into a computer, enabling him to control the new WayneTech Nanobots. This creates a new and improved body which attempts to destroy Batman, Robin, and the original Joker.

The Batman meets his opposite in the form of Wrath and his partner Scorn who are helping Joker, Penguin, Killer Croc, and Ventriloquist and Scarface with a job. Batman and Robin must stop their evil counterparts.

When a pair of leopards is stolen by Joker, The Batman and Batgirl form an uneasy alliance with Catwoman, who is determined to save the rare animals from being hunted.

When Black Mask hires Hawkman's arch-nemesis the Shadow Thief to break him out of Arkham and assist in the theft of a meteorite, Batman must team up with fellow Justice League member Hawkman to defeat them.

Firefly and Mr. Freeze make an unlikely pair as they join forces to plunge Gotham into a permanent winter. With the entire police force "iced over," The Batman is the city's only hope for survival.

During a museum robbery, a partnership is formed between Catwoman and Penguin. But when Penguin double-crosses Catwoman before she can double-cross him, she and Batman have to stop Penguin before he unleashes his true plan: harnessing the power of Ra!

After his most recent crime spree, Arnold Wesker is taken to Arkham and apparently "cured" by Dr. Hugo Strange. A new career as a children's entertainer lies before Wesker, but can he escape the shadow of Scarface?

When Wayne Industries shuts down Cosmo Krank, a toymaker with a spotty safety record, the demented villain takes revenge by trying to shut down Bruce Wayne – permanently – with his diabolical toys.

Batman finds himself on the trail of Firefly, a pyromaniac supervillain, while Bruce tries to secure a charity contract with Mayor Grange.

The Joining attempts a second invasion of Earth with the stolen powers of the newly formed Justice League. Only the non-powered heroes Batman and Green Arrow remain to gain back their friends' powers and stand between the Joining and world conquest.

Spellbinder, a three-eyed mystic with the ability to induce both hypnosis and visions, sets his sights on stealing the valuable Eye of Sarkana – mesmerizing Alfred to be his personal thief.

Batman investigates a series of revenge crimes bearing the stamp of his archenemy Joker, despite the fact that Joker is currently locked up in Arkham Asylum.

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 takes down Punch and Judy, Joker takes an interest in the TV pop psychologist Harleen Quinzell and decides to groom her to become his new partner in crime, Harley Quinn.