Lantern arrives, but exhausts his power ring saving Hawkman. The robot launches a rocket, which Blackhawk member Chuck stops at the cost of his life. Superman and the Spectre arrive, and disarm the robot. Superman rips open the machine to reveal the Ultra-Humanite, who uses kryptonite to hold off the Man of Steel and escape. Back in Gotham City, Lois Lane discovers that Luthor developed the robot and sold the plans to the Nazis. She is captured and held captive with Robin, but the two are saved by Batman, disguised as Luthor's henchman. 1953: Absent Friends — A long-missing Commissioner Gordon collapses in the doorway of Wayne Manor. He tells Bruce that he knows his secret identity, and warns him of a new threat: a mysterious criminal known as "the Head of the Demon". Meanwhile, Wonder Girl (a mystical projection of Wonder Woman) flies to North Korea in search of Steve Trevor's downed plane, while Diana Prince Trevor goes into labor. Wonder Girl finds Trevor, but he dies en route to Paradise Island. At the same moment Diana gives birth to a baby girl, Lois Kent gives birth to her daughter, Kara Kent. Clark arrives late; as Superman, he had been stranded on a planet with a red sun until he was rescued by Green Lantern Abin Sur. After attending the birth of his daughter, Superman introduces Sur to Alan Scott. The two Green Lanterns are puzzled at the similar nature of their rings which nevertheless possess different weaknesses (Scott's ring being vulnerable to wood, while Sur's will not work on anything that is colored yellow). 1964: Children's Hour — Bruce Wayne Jr. is stopped by his mother from going out as Robin with Batman II, while Kara Kent tries on her Supergirl costume for the first time. She flies to Wayne Manor to see B.J., who is unhappy with his situation. Supergirl points out that he promised not to be Robin with Batman; he did not say anything about Supergirl. The teens fly off and find Kid Flash, who is fighting the Weather Wizard and the Mirror Master. When Kid Flash is knocked unconscious, Supergirl and Robin intervene, only to be knocked out by Gorilla Grodd. Meanwhile, Barry Allen calls Diana Trevor, looking for Kid Flash. Diana's daughter Stevie goes looking for Wally as the new Wonder Girl. She is drawn to a warehouse in Central City, where Gorilla