When did The Flash Season 0 Episode 21 air?
The Flash Season 0 Episode 21 aired on October 29, 2015.


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.
A manipulative patriarch's family tree. Season 2 featurette.
Direct answers for episode-level questions and details.
The Flash Season 0 Episode 21 aired on October 29, 2015.
This episode runs for approximately 4 minutes.
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