The Clown (flashback); Zoom [Hunter Zolomon]; Reverse-Flash [Professor Zoom; Eobard Thawne] (flashback, death); unnamed prison guard (deceased, flashback); Zatanna; Martian Manhunter [J'onn J'onzz]; Green Lantern [Jesica Cruz]; The Flash [Barry Allen]; Iris West; Flash [Wally West] (original Wally West); Cyborg [Victor Stone]; Silas Stone; Alfred Pennyworth; The Renegades [Commander Cold; Mirror Monarch (second Mirror Monarch); Heatstroke; Weather Warlock; Golden Guardian] (25th century police task force, image); Impulse [Bart Allen] (statue); Kobra (statue); Justice League of America [Aquaman [Arthur Curry]; Wonder Woman [Diana of Themyscira]; Superman [Clark Kent]; Batman [Bruce Wayne]; Green Lantern [Hal Jordan]] (satellite era JLA statues); Kid Flash [Wally West] (second Wally West, photo)
Synopsis
Wally struggles to deal with his sudden recollection of his lost memories. Barry tries to get him help by bringing him to his colleagues in the super-hero community for help. Meanwhile in the 25th century, Hunter Zolomon recalls how he teamed with Thawne so they could take on Barry and Wally, but with Thawne's death, Zolomon is determined to carry out his plan alone.