Batman tries to prevent the Joker from poisoning Gotham City.

A dangerous experiment turns a scientist into a hideous creature called the Man-Bat.

Batman deals with an arsonist known as Firefly and problems involving Gotham's mayor.

A series of crimes bears the unmistakable mark of the Joker, but he is locked up in Arkham.

Batman investigates a villain known as Clayface, who is able to transform into other people.

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...

The Joker decides to take on the role of "Batman" and doses Bruce with Joker venom to create an arch-rival of his own.

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 he may find the temptations of a criminal life too great.

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!

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 employs the servants of the rich to steal the Eye of Sarkana -- including Alfred!