Summary: 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.

Summary: 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.

Summary: 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.

Summary: 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.

Summary: Batman and Robin team up with the Flash to thwart Mirror Master's plans to trap everyone in their own mirror image.

Summary: Gotham citizens are bursting into hysterical laughter and dumping stolen goods into the river, and Batman is soon on the trail of the Joker.

Summary: 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.

Summary: With the help of a slacker, 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.

Summary: 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.

Summary: 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?

Summary: 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.

Summary: 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.

Summary: The heroes fight their android counterparts to recover the Justice League's powers, while the Joining prepares for its final assault on Earth.