Eco-terrorists Professor Pyg and Mister Toad are hunting Gotham City's resident billionaires. When Wayne's butler, Alfred, is kidnapped in Bruce's place, Batman must save him. Later, Alfred hires a new bodyguard for Bruce: Tatsu Yamashiro.

Batman is hot on the heels of an extremely dangerous thief named Magpie. But Batman is not the only one after her. Lieutenant James Gordon is after her as well, and the two will ultimately go head-to-head to catch her.

A new villain has arrived in Gotham to challenge Batman: Anarky who prides himself on his brilliance and intends to prove it to Batman by manipulating a pair of street thugs. But Anarky's real plan is far more devastating.

Bruce Wayne announces the prototype of a device capable of solving the energy crisis. This draws the attention of the League of Assassins. When Silver Monkey attacks Wayne Manor, it is up to Alfred and Katana to keep the assassin at bay.

Life-sized army men have started appearing, armed with real weapons. When Batman investigates, he discovers that they are not toys, but people trapped inside explosive shells. All clues lead to a former mob accountant named Humpty Dumpty.

After responding to a break-in at Stagg Industries, Batman rescues a security guard named Rex Mason who had been exposed to a toxic gas. Soon, Rex begins to mutate and gains the ability to manipulate his own body. Rex becomes a fugitive.

With the League of Assassins knowing where the Soultaker Sword is, but unable to get Katana to return it, Silver Monkey decides that the only course of action is to kidnap Bruce Wayne and hold him for ransom: His life for the sword.

After years of trying, Gordon finally has the evidence to put powerful gangster Tobias Whale away for good. But after his lawyer demands that Gordon release Whale, Gordon's daughter Barbara is kidnapped by Phosphorus Rex.

Desperate to gain access to the Ion Cortex, Lady Shiva sends one of her agents to steal the information directly from Burr's mind: The wall-crawling, half-computer assassin Cypher. Batman and Katana try to stop Cypher.

Anarky returns and sets a trap for both Batman and the League of Assassins, locking them in a building with a fatal airborne virus.

Professor Pyg and Mr. Toad are back... and they've set their sights on Gotham's elite couture culture. Will Gotham's Fashion Week survive the villains' vile attack?

Jason Burr, still not in control of his body due to mind control by Cypher, steals the Ion Cortex in order to make a deal with the League of Assassins.

Batman makes an unlikely alliance with Silver Monkey to escape from the League of Assassins.

Ra's al Ghul recruits an army of Batman's foes (Professor Pyg, Mr. Toad, Magpie, Tobias Whale, Phosphorus Rex, and Cypher) in order to eliminate him.

Six months after the black out, new DA Harvey Dent is trying to put a stop to the mask and cape crisis.

A Golem creature has been fighting back against armored criminals attacking local businesses. Tracking the creature down to an abandoned synagogue, Batman and Katana discover that the "Golem" is actually Rex Mason.

Humpty Dumpty captures Batman, Katana, Gordon, Mayor Grange and Tobias Whale and makes all of them play his Murder Mystery Game.

In order to track a thief who's stolen a dangerous piece of code-breaking software, Batman has himself arrested and thrown into Blackgate prison.

After his ordeal at Blackgate Prison, Batman is haunted in his dreams by a mysterious winged humanoid bat, only to later discover that he really exists. Meanwhile, Alfred returns and tries to help Bruce work out his personal issues.

An old friend of Bruce Wayne's comes to him for help, when her father has been cloned by a mysterious organization to create an army of super soldier manhunters.

Desperate to rid the city of Batman, Harvey Dent allies with Anarky, who recruits a new hero to take Batman's place... the hired killer Deathstroke.

When Batman and Katana are ambushed in the Gotham subway by Killer Croc, it's up to Barbara Gordon to save them. Only one problem: Barbara's on a date.

When Bruce Wayne is "assassinated" by Batman, he lets the world think he's dead and goes in search of the impostor - the Bad Batman.

Batman continues to work in secret to find answers, while Harvey Dent recovers in Gotham Hospital. Blaming Batman for everything, he enacts martial law in Gotham.

When Alfred is taken hostage by Deathstroke in the Batcave, Batman must face him alone. Harvey Dent reveals his true nature as Two-Face.