Batman and Nightwing are forced to team with the Joker's sometimes-girlfriend Harley Quinn to stop a global threat brought about by Poison Ivy and Jason Woodrue, the Floronic Man.
Movie tag line: "Gotham City's heroes need a super-villain to fight for justice."
Production companies:
Character: Batman (voice)
Character: Harley Quinn (voice)
Character: Poison Ivy (voice)
Character: Nightwing (voice)
Character: Jason Woodrue (voice)
Character: Wesley (voice)
Character: Bobby Liebowitz (voice)
Character: Sarge Steel (voice)
Character: Rhino (voice)
Character: Harold Goldblum (voice)
Character: Project Supervisor (voice)
Character: Booster Gold (voice)