After Zoom unleashes an army of Earth-2 meta-humans on Central City, Barry is shaken when he sees their leader is the Black Canary’s Earth-2 doppelganger, the Black Siren. Meanwhile, Wally takes to the streets to help The Flash stop the meta-humans, which worries Joe. Iris and Henry are concerned about Barry taking on Zoom.
Quest roles:
Keiynan Lonsdale(Wally West / Kid Flash), John Wesley Shipp(Jay Garrick / The Flash), Amanda Pays(Tina McGee (archive footage) (uncredited)), Patrick Sabongui(David Singh), Katie Cassidy(Laurel Lance / Siren X), Teddy Sears(Hunter Zolomon / Zoom), Tony Todd(Zoom (voice)), Violett Beane(Jesse Wells / Jesse Quick), Rhys Williams(Man), Mia Fiona Kut(Woman #2 (uncredited))