Penguin and Catwoman join forces to steal a pair of valuable gems. But when The Batman arrives to stop them, Catwoman is double-crossed by Penguin, who handcuffs her to the Dark Knight. With the handcuffs wired to explode if removed, the pair are forced to work together to stop Penguin. Detective Yin's suspicions are aroused as she tests her new partnership with the Batman.
Fearing that Riddler will make good on his threat to destroy the city, The Batman and Detective Yin's secret alliance is put at risk when they must work together to solve a string of riddles that have been scattered throughout Gotham.
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.
Joker dons the costume of his greatest rival, The Batman, and terrorizes all of Gotham. When the real Batman tries to stop him, Joker injects the Dark Knight with a poison that will cause him to laugh to death unless he can create an antidote.
Killer Croc, a half-man, half-reptile, plans to submerge all of Gotham under water to carry out his scheme of plundering 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 that has found its way into the Bat-Cave and is wreaking havoc on the electrical equipment.
Danielle Judovits
Batgirl
Kevin Michael Richardson
The Joker
Ming-Na Wen
Ellen Yin
Tommy Kenny
The Penguin
Mitch Pileggi
James Gordon