Atrocious serial killings on holidays in Gotham City send The World's Greatest Detective into action - confronting both organized crime and a unified front of classic DC Super-Villains - while attempting to stop the mysterious murderer.
Production companies：
Warner Bros. Animation
·
DC Entertainment
·
Overview：Atrocious serial killings on holidays in Gotham City send The World's Greatest Detective into action - confronting both organized crime and a unified front of classic DC Super-Villains - while attempting to stop the mysterious murderer.
