Episode Title:The Once and Future Thing, Part One: Weird Western Tales.Episode Description:Batman, Wonder Woman, and Green Lantern chase Chronos to the past, where they team up with some of the greatest DC heroes of the Old West. After defeating stolen future tech in that era, they again follow Chronos to the future. Warhawk from the Batman Beyond era is revealed to be Green Lantern and Hawkgirl's son.