The Batman finds himself dealing with a new breed of criminal when Joker takes over Arkham Asylum then plans to fly a hot air balloon filled with Joker Gas.
Ozzy Cobblepot, aka Penguin, has delusions of rebuilding the lost Cobblepot fortune, via high-flying robberies employing various trained birds.
The Batman battles the masked criminal Bane, and once Bane activates his chemical-steroid-infusion, Batman finds himself outmatched by brute strength.
After a news report erroneously links her with The Batman, Selina Kyle, the cat burglar known as Catwoman, decides she wants to meet her nighttime counterpart. After luring her prey, Catwoman steals Batman's utility belt!
Dr. Langstrom, a scientist in Wayne Industry's Genome Division, has been experimenting with bats, thus threatening to endanger Bruce's secret identity.
The Batman is on the trail of Mr. Freeze, a villain who uses his ice technology as a means of stealing the objects of his passion: the rarest, most valuable diamonds.
While on the trail of Firefly, an arsonist/supervillain who uses refined flame-throwing technology and a jet-pack, Bruce Wayne must tend to issues with Mayor Grange and the Wayne Foundation.
The Batman engages in a game of wits with Cluemaster: a precocious ex-'quiz kid' bent on revenge against the game show producers he's accused of rigging his defeat.
The Batman's attempt to thwart the latest in a series of heists pits him against a team led by a ventriloquist carrying a puppet named Scarface--who by all indications is the brains of the operation.
The Batman investigates a crime bearing the stamp of his archenemy Joker, despite the fact that Joker is currently, and has been, locked up in Arkham Asylum since Batman first put him there.
While Bruce Wayne is busy being the subject of a "Day in the Life" segment of a television magazine show, Penguin pulls his latest heist--at Bruce's mansion! Alfred is taken hostage.
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!
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!
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!
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...
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.
The Joker decides to take on the role of Batman and doses Bruce with Joker Venom to create an arch-rival of his own.
Killer Croc, a half-man, half reptile plans to submerge all of Gotham in water in order to facilitate his plundering of the city.
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.
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.
Joker pirates the airwaves of Gotham in order to broadcast his crimes on TV as entertainment. Detective Yin's overzealous new partner tries to bring down the clown prince of crime.
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?
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.
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.
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.
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.
While The Batman faces off against Temblor, a villain possessing seismic powers, we meet Commissioner Gordon's teenage daughter, Barbara.
After a chemical accident transforms her into a half-human half-plant being, Pam Isley takes the name Poison Ivy and sets out to destroy Gotham's environmental polluters.
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.
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?
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.
The Joker is on a rampage when he gets hold of Bane's injection system and turns himself into a rampaging beast.
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.
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.
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.
Inspired by the Batman/Batgirl partnership, the Joker decides to recruit his own sidekick and gain a partner in crime.
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.
The Penguin, Mr. Freeze, and Alfred's old school chum are all on the trail of a sunken treasure in Gotham Harbor.
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".
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.
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.
Shape-shifting villain Clayface surrenders himself, promising to give up his criminal ways and hoping to earn a second chance for his alter ego, Ethan Bennett.
When a close friend of Batman's is implicated by evidence from a series of art thefts by a new costumed villain with the power to replicate, he believes there must be another explanation.
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.
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...
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.
The Bat Team goes up against an unstoppable thief who knows their every move.
The Riddler and Batman are dropped at the bottom of Gotham Harbor...and the Riddler reveals his origins.
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.
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.
Bruce discovers that Wayne Industries is distributing alien technology across the world, and gains the aid of a mysterious new ally.
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.
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.
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 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.
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.
Batman and Robin team up with the Flash to thwart Mirror Master's plans to trap everyone in their own mirror image.
Gotham citizens are bursting into hysterical laughter and dumping stolen goods into the river, and Batman is soon on the trail of the Joker.
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.
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 Dr. Kirk Langstrom to transform themselves into animal forms and get revenge on those who have scorned them.
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?
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.
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.
The heroes fight their android counterparts to recover the Justice League's powers, while the Joining prepares for its final assault on Earth.
An analysis of the reasons for remaking Batman.
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?
A clip/recap show of the entire Season 2 episodes.
A behind the scenes look into making Season 3
A behind the scenes look into the making of Season 4
The first featurette from Season5 DVD is a discussion with the production staff as they talk about the characters of Superman, Flash, Green Lantern, Green Arrow, and Hawkman; here they discuss their takes on the individual characters and how they would work them into the show.
The second featurette from Season5 DVD continues with the first featurette's Justice League theme and this time the staff talks about the decision concerning the direction that season five took. They discuss how the show's dynamic was changed with the introduction of the Justice League to the series.
A behind the scenes look at the making of season 5.
