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.
Elenco: Grant Gustin , Candice Patton , Danielle Panabaker , Jesse L. Martin , Carlos Valdes , Tom Cavanagh , Danielle Nicolet , Kayla Compton , Brandon McKnight , Hartley Sawyer , Rick Cosnett , Tom Felton , Keiynan Lonsdale , Jessica Parker Kennedy , Jon Cor .