#NightmareInGotham Part 1: As Halloween approaches, the Joker escapes from Arkham Reform School and Barbara is excited to be able to go trick-or-treating with Harleen Quinzel in Gotham City. Diana persuades the other girls to go as well so she can secretly keep watch on Harleen, whom she alone knows to be Harley Quinn (see "#TheWarriorAndTheJester"). During the outing, Barbara gets a call from Batman alerting her to the Joker's plans to make this Halloween the scariest one ever; at the same time, Harleen receives a call from the Joker asking for her help...
#NightmareInGotham Part 2: As the Joker and Harley lure the three villains to them, Wonder Woman tells Batgirl that Harleen is Harley. Batgirl refuses to believe her at first, but later accepts the truth after thinking about the events of "#TheWarriorAndTheJester." She and Wonder Woman reconcile, and all six heroes confront the villains as they begin causing mayhem throughout the city. The Joker and Harley capture Batgirl and Wonder Woman, and the Joker reveals his plan to destroy Gotham with a bomb that Harley is to detonate, much to Harley's hidden horror. While the other four heroes subdue their opponents, Batgirl unmasks herself as Barbara to persuade Harley not to help him...
#NightmareInGotham Part 2: As the Joker and Harley lure the three villains to them, Wonder Woman tells Batgirl that Harleen is Harley. Batgirl refuses to believe her at first, but later accepts the truth after thinking about the events of "#TheWarriorAndTheJester." She and Wonder Woman reconcile, and all six heroes confront the villains as they begin causing mayhem throughout the city. The Joker and Harley capture Batgirl and Wonder Woman, and the Joker reveals his plan to destroy Gotham with a bomb that Harley is to detonate, much to Harley's hidden horror. While the other four heroes subdue their opponents, Batgirl unmasks herself as Barbara to persuade Harley not to help him...
