Season 1
Episode: 1x01 | Airdate: Sep 11, 2004
After stopping a heist by Rupert Thorne, Batman returns to the batcave to learn that all criminals in Arkham Asylum have mysteriously been released. Batman finds out that it's a crazed clown named Joker whom released them, and he plans to make a blimp full of laughing gas to explode over Gotham so every citizen turns into a lunatic. It's up to Batman to stop him.
Episode: 1x02 | Airdate: Sep 25, 2004
Three mob bosses want revenge on Batman because he constantly took down their operations. They call in a very mysterious man named Bane to finish him off, once and for all. Bane may seem like a normal criminal, but he has a secret, a secret so powerful that it could destroy all of Gotham. After their first encounter, Bane easily takes down Batman, hurting him badly. Now, Batman must think of a new way to stop this menace.
Episode: 1x03 | Airdate: Sep 18, 2004
After a strange vulture starts to steal diamonds and jewels, Batman decides to find out who's behind this. It turns out that the crook is the rude and selfish Osward Cobblepot, aka Penguin, whom attends Bruce Wayne's party. Alfred tries to catch Penguin for his misbehaviour at the party, but unfortunately, Penguin catches Alfred. Batman must find Penguin's mansion and save Alfred, as well as defeat Penguin and return all the jewels and gems he's stolen.
Episode: 1x04 | Airdate: Oct 30, 2004
A flock of bats lead Yin and Bennett to Wayne Industries, where Bruce has a scientist named Dr. Langstrom working on a project related to bats. In truth, Langstrom actually develops a serum that can turn him into the ""Man-Bat"", so people will fear him. Man-Bat goes out of control and flies out into the city, feeding on animal blood.
Episode: 1x05 | Airdate: Nov 6, 2004
Using his new ice powers, Mr. Freeze steals the most rarest and valuable diamonds all over Gotham. When him and Batman first cross paths, he tells the Bat he's the reason why he's a cryogenic monster. It's because of a much earlier chase between them, which led to a cryogenics lab. He will stop at nothing to make Gotham his own personal domain, unless the Batman can think of a way to stop this menace.
Episode: 1x06 | Airdate: Oct 2, 2004
After ensuing in a lengthy chase with his new foe, Catwoman, Batman's utility belt gets swiped. Now, with his belt in the wrong hands, Batman must figure out how to find the cat burglar before she puts his belt to no good use.
Episode: 1x07 | Airdate: Nov 13, 2004
Batman meets Firefly, a man who dresses in a heavily-armoured fly ensemble and has a turbo-enhanced jet pack. Firefly breaks into numerous Gotham companies, destroying their technology, and takes to the skies when Batman arrives. As the Bat finds out, he's no easy foe to bring down. Meanwhile, Bruce meets up with Mayor Grange, who tells him that he's going to have to give his father's charity work to GothCorp instead of Wayne Enterprises due to his lifestyle.
Episode: 1x08 | Airdate: Nov 20, 2004
Arthur Brown, an intelligent man now calling himself the Cluemaster, plans revenge upon the people involved in the ""Think Thank Thunk"" game show for letting his opponent win years ago. Can Batman stop him and save Cluemaster's hostages?
Episode: 1x09 | Airdate: Nov 27, 2004
Arnold Wesker is a ventriloquist who controls Scarface, a living puppet that has a whole other personality. Together, they pull off bank heists and Scarface promises this is their final one. Scarface, along with two knucklehead muscles, plan on stealing a gold reserve from Gotham Bank. Batman tries to stop the puppet and his lackeys. Meanwhile, Alfred plays matchmaker for Bruce.
Episode: 1x10 | Airdate: Feb 5, 2005
Joker is out of Arkham. He's going after everyone responsible for getting him arrested, turning them into playing cards ... with the Batman being his main target.
Episode: 1x11 | Airdate: Feb 12, 2005
Penguin is jealous of Bruce Wayne's wealth and breaks into Wayne Manor. He kidnaps Alfred and ransacks the place while Bruce is doing an interview. Batman arrives to help right in time, only to get chained up by Penguin as well. Can Batman find a way out of this crazy mess?
Episode: 1x12 | Airdate: Apr 30, 2005
Joker's back in town and has a new invention, Joker putty, that can morph anything and everything into rubber or putty. Meanwhile, Chief Rojas tells his Detectives to stop both Joker and the Batman once and for all, saying both of them have no place in Gotham.
Episode: 1x13 | Airdate: May 7, 2005
Leaving of after the previous episode, Ethan transforms into the monstrous Clayface by Joker's putty. After having the whole town fear and loathe him as Clayface, he targets the man he despises the most, Chief Rojas. When Batman and Yin realize who he is, they will have to work together to keep Ethan from becoming anything like Joker.
Season 2
Episode: 2x01 | Airdate: May 14, 2005
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!
Episode: 2x02 | Airdate: May 21, 2005
A mysterious villain known as the Riddler challenges Yin, secretly helped by Batman, to a number of riddles. Things are not what they seem from the riddles...
Episode: 2x03 | Airdate: May 28, 2005
Firely and Mr. Freeze team up to put their devastating plan into action: permanently putting Gotham City in a never-ending winter. Once the policeman's gala charity ball is put on ice, it's all up to the Batman.
Episode: 2x04 | Airdate: Jun 4, 2005
The Joker decides to take on the role of "Batman" and doses Bruce with Joker venom to create an arch-rival of his own.
Episode: 2x05 | Airdate: Jun 11, 2005
Killer Croc, a half-man, half reptile plans to submerge all of Gotham in water in order to facilitate his plundering of the city.
Episode: 2x06 | Airdate: Jun 18, 2005
Penguin discovers a sonic device that allows him to turn Man-Bat into his personal slave. Meanwhile, Alfred must deal with a raccoon which has found its way into the Bat-Cave and is wreaking havoc on the electric equipment.
Episode: 2x07 | Airdate: Jul 9, 2005
Joker pirates the airwaves of Gotham in order to broadcast his crimes on TV as entertainment. When Detective Yin's overzealous new partner tries to bring the clown prince of crime down, he merely becomes Joker's latest "co-star." Batman must find where Joker is broadcasting from before he can carry out his plan to make Gotham die of laughter!
Episode: 2x08 | Airdate: Jun 25, 2005
Ethan Bennett is captured and put on trial for his crimes as Clayface. He's released on probation but finds the temptations of a criminal life too great.
Episode: 2x09 | Airdate: Aug 20, 2005
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 commit his crimes.
Episode: 2x10 | Airdate: Jul 16, 2005
Ragdoll, a triple-jointed contortionist, crosses paths with Batman and Catwoman while continuously trying to steal priceless artifacts. Also, Selina Kyle befriends Bruce Wayne ... but what are her intentions?
Episode: 2x11 | Airdate: Sep 3, 2005
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.
Episode: 2x12 | Airdate: Aug 27, 2005
Solomon Grundy, a legendary zombie, emerges from a swamp on Halloween to wreak havoc on Gotham. But Batman and Alfred discover that there is more to Grundy than there appears.
Episode: 2x13 | Airdate: Sep 10, 2005
Joker, Penguin, and Riddler battle over control of the city, until finally deciding to settle their differences by giving all of Gotham over to whoever is able to capture and discover the true identity of the Batman.
Season 3
Episode: 3x01 | Airdate: Sep 17, 2005
The story of how the Commissioner's daughter became Batgirl and how her best friend becomes Poision Ivy is told.
Episode: 3x02 | Airdate: Sep 24, 2005
Continuing where we left off in the first part, Barbara Gordon becomes Batgirl in order to save the commissioner, but does Batman really want a sidekick?
Episode: 3x03 | Airdate: Oct 1, 2005
When the Batman takes a blow to the head during a fight with the Penguin, Gotham is left without its defender while an amnesiac Bruce Wayne must consider if he's a coward or not.
Episode: 3x04 | Airdate: Oct 8, 2005
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?
Episode: 3x05 | Airdate: Nov 5, 2005
A new villain, Gearhead, makes his first appearance robbing a charity race, and Batman soon finds himself forced to upgrade the Batmobile to keep up with the cybernetic bad guy.
Episode: 3x06 | Airdate: Nov 12, 2005
The Joker is on a rampage when he gets hold of Bane's injection system and turns himself into a rampaging beast.
Episode: 3x07 | Airdate: Nov 19, 2005
When a rare Black Siberian Leopard is stolen, Batman and Batgirl suspect Catwoman and go to protect the second Black Siberian Leopard. But what happens when Joker beats them to the punch and brings the cats to Killgore Steed? It's a maze of doom with dangerous creatures. Can Catwoman, Batman, and Batgirl escape, or will they end up on Joker's wall?
Episode: 3x08 | Airdate: Nov 26, 2005
High-ranking Gotham officials begin to embrace environmental causes after the delivery of mysterious plants, and it becomes clear they're under the influence of ... Poison Ivy.
Episode: 3x09 | Airdate: Feb 4, 2006
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.
Episode: 3x10 | Airdate: Feb 11, 2006
Inspired by the Batman/Batgirl partnership, the Joker decides to recruit his own sidekick and gain a partner in crime.
Episode: 3x11 | Airdate: Feb 18, 2006
Maximillian Zeus, a millionaire who is also a Greek history fanatic, takes control of Gotham from the sky after losing to Mayor Grange in a re-election.
Episode: 3x12 | Airdate: May 6, 2006
The Penguin, Mr. Freeze, and Alfred's old school chum are all on the trail of a sunken treasure in Gotham Harbor.
Episode: 3x13 | Airdate: May 14, 2006
Hugo Strange creates a AI database called DAVE (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".
Season 4
Episode: 4x01 | Airdate: Sep 23, 2006
After a young circus performer named Dick Grayson loses his parents to a criminal named Tony Zucco, Bruce Wayne adopts the young boy. Once Bruce's secret is revealed, Dick joins Batman as his new sidekick, Robin. Together, they set out to find Zucco and bring him to justice.
Episode: 4x02 | Airdate: Sep 30, 2006
After watching a movie about criminal masterminds, Penguin gets the idea to form a team of Gotham's greatest villains in order to finally take Batman down. Meanwhile, Batgirl and Robin must learn how to work together.
Episode: 4x03 | Airdate: Oct 7, 2006
After the Joker's plan to make all the dogs laugh like hyenas is thwarted by Clayface (Ethan Bennett), he plans to prove himself to Batman by turning a new leaf. Meanwhile, actor Basil Karlo steals the mutagen responsible for Ethan Bennett for becoming Clayface and he becomes the new Clayface. Can Batman trust Ethan enough to help him stop Karlo?
Episode: 4x04 | Airdate: Nov 4, 2006
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.
Episode: 4x05 | Airdate: Nov 11, 2006
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.
Episode: 4x06 | Airdate: Nov 18, 2006
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. But when Robin falls, only Batman can save the day. But not everything is at it seems ...
Episode: 4x07 | Airdate: Feb 3, 2007
A thousand years into the future, the citizens of new Gotham must uncover the history of the Batman in order to stop a new Mr. Freeze.
Episode: 4x08 | Airdate: Feb 10, 2007
The Bat Team goes up against an unstoppable thief who knows their every move.
Episode: 4x09 | Airdate: Feb 17, 2007
The Riddler and Batman are dropped at the bottom of Gotham Harbor ... and the Riddler reveals his origins.
Episode: 4x10 | Airdate: Feb 24, 2007
When Harleen Quinzell is cancelled from her television program, Joker takes an interest and decides to groom her as his new partner in crime, Harley Quinn.
Episode: 4x11 | Airdate: Mar 3, 2007
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 the villains.
Episode: 4x12 | Airdate: Apr 28, 2007
Bruce discovers that Wayne Industries is distributing alien technology across the world, and gains the aid of a mysterious new ally.
Episode: 4x13 | Airdate: May 5, 2007
Martian Manhunter's prediction of an alien invasion by The Joining has come true. As Batman tries to stop them on his own, he learns that even working with a team will stop The Joining.
Season 5
Episode: 5x01 | Airdate: Sep 22, 2007
Batman and Superman find themselves teamed up when Lex Luthor begins his operations in Gotham City to take down his arch-nemesis, and employs a horde of the Batman's villains to do so.
Episode: 5x02 | Airdate: Sep 29, 2007
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.
Episode: 5x03 | Airdate: Oct 6, 2007
Batman welcomes another member of the Justice League to Gotham as he teams up with Green Arrow when Vertigo, a villain who can affect people's sense of balance, arrives in the city with a diabolical plan.
Episode: 5x04 | Airdate: Oct 13, 2007
Perpetual loser 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.
Episode: 5x05 | Airdate: Nov 3, 2007
Batman and Robin team up with the Flash to thwart Mirror Master's plans to trap everyone in their own mirror image.
Episode: 5x06 | Airdate: Nov 10, 2007
Gotham citizens are bursting into hysterical laughter and dumping stolen goods into the river, and Batman is soon on the trail of the Joker.
Episode: 5x07 | Airdate: Dec 8, 2007
Green Lantern seeks out Batman's help in locating renegade Green Lantern Sinestro, but when the villain comes to Earth, the Penguin ends up with the hero's power ring.
Episode: 5x08 | Airdate: Dec 15, 2007
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.
Episode: 5x09 | Airdate: Feb 2, 2008
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.
Episode: 5x10 | Airdate: Feb 9, 2008
Wrath and Scorn, two twins of the Dynamic Duo, are helping the villains of Gotham City. But what happens when both Batman and Wrath uncover each other's identities?
Episode: 5x11 | Airdate: Feb 16, 2008
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 the villains.
Episode: 5x12 | Airdate: Mar 8, 2008
The super-powered members of the Justice League begin disappearing one by one. Only Batman and Green Arrow are left to investigate and discover that old enemies are involved.
Episode: 5x13 | Airdate: Mar 8, 2008
The heroes fight their android counterparts to recover the Justice League's powers, while the Joining prepares for its final assault on Earth.
Specials
Episode: S03 Special | Airdate: Oct 18, 2005
Gotham City is terrorized not only by recent escapees Joker and Penguin, but by the original creature of the night, Dracula! Can Batman stop the ruthless vampire before he turns everyone in the city, including The Caped Crusader, Joker and Penguin, into his mindless minions?