When did The Flash Season 3 Episode 21 air?
The Flash Season 3 Episode 21 aired on May 9, 2017.
The Flash
The fastest man alive.
After being struck by lightning, CSI investigator Barry Allen awakens from a nine-month coma to discover he has been granted the gift of super speed. Teaming up with S.T.A.R. Labs, Barry takes on the persona of The Flash, the Fastest Man Alive, to protect his city.
Created by: Geoff Johns, Greg Berlanti, Andrew Kreisberg
Season 3 · Episode 21
Cause and Effect
May 9, 2017·42m
Barry takes drastic measures to stop Savitar. Meanwhile, H.R. continues to push Tracy Brand to design the trap for Savitar and Killer Frost returns with an interesting proposal.
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Direct answers for episode-level questions and details.
How long is The Flash Season 3 Episode 21?
This episode runs for approximately 42 minutes.
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