Scarecrow [Jonathan Crane]; Psycho-Pirate [Roger Hayden]; Ana Vulsion; Koyuki Nakano; Penguin [Oswald Cobblepot]; Oracle [Barbara Gordon]; Batman [Bruce Wayne]; unnamed Party Crashers; Huntress [Helena Bertinelli]; Robin [Tim Drake]; Batgirl [Stephanie Brown]; Batwoman [Kate Kane]; Harley Quinn [Harleen Quinzel]; Lady Clayface; Batgirl [Cassandra Cain]; Dr. Chase Meridan
Synopsis
Batman leads the team to take back control of Arkham Tower from Scarecrow, who has Koyuki Nakano and Psycho-Pirate as hostages. The Party Crashers attempt to get to the Tower's store of drugs, but Harley Quinn stands against them, while Stephanie and Tim battle against the Penguin's men who are also after the drugs. Helena attempts to free Koyuki and Psycho-Pirate but Ana Vulsion attempts to stop her, while Batman confronts Scarecrow.
The Joker; Batman [Bruce Wayne]; Red Hood [Jason Todd]; Elliot Maslow [Strummer]; Eleanor Maslow; India Maslow; Robin [Tim Drake]; Nightwing [Dick Grayson]; Killer Croc [Waylon Jones]; Clayface [Basil Karlo]; Scarecrow [Jonathan Crane]
Synopsis
Batman and Red Hood investigate a man who they believe is connected an attempt by the Joker to compromise Gotham's water supply, leading to Batman, Jason, Tim, and Dick investigating in an underground water main where they encounter the unexpected.