Season 2

Commissioner Gordon is rumored to be taking bribes from Rupert Thorne. His daughter Barbara sets out to prove that he's innocent.

Robin, who discovers that Gil Mason is in league with a powerful crime boss, encounters Batgirl as she tries to clear her father's name.

When Clayface's clay-like body begins to disintegrate, he is forced to steal to pay for the expensive ingredients of a possible remedy.

Wealthy socialite Veronica Vreeland returns from Central America bringing tiny handmade dolls for all her friends—but the dolls are controlled by the Mad Hatter.

Crime boss Rupert Thorne forces his older brother, a doctor, to perform delicate surgery on Rupert—and kidnaps Dr. Leslie Thompkins to assist.

Poison Ivy appears to have stopped her crime spree when she marries a doctor with two sons to raise. However, crimes continue occurring in the Poison Ivy style, leaving Batman to question her innocence.

Killer Croc escapes when being transported to prison and hides out with a group of circus people.

Ra's Al Ghul steals a sacred Egyptian scroll that Bruce Wayne donated to the Gotham museum.

All of Batman's enemies team together to put Batman on trial and send him to Arkham Asylum.

Harley Quinn agrees to help Batman and Robin find the location of a stolen atomic bomb placed somewhere in Gotham by the Joker.