The Flash (2014)

P.O.W.

Aired Jul 6, 2021 · 8:00 PM ET · 43 min

John Diggle arrives in Central City with a weapon to help Barry stop the Godspeed War. Meanwhile, Allegra and Ultraviolet's new bond is put to the ultimate test, while Joe and Kristin Kramer are hunted by a former colleague of hers.