: With Clifford DeVoe’s "Enlightenment" device nearly complete, Team Flash seeks an unlikely alliance with Amunet Black to find a weapon capable of disabling his satellites. Subplots :
: Iris decides to publish an article exposing DeVoe’s plan to the public, hoping the citizens of Central City can help track him. Watch The flash s04e21 webrip x264-ion10-1
Rather than downloading unverified files, you can watch this episode through official platforms as of April 2026: Amazon Prime Video Watch The flash s04e21 webrip x264-ion10-1