When did The Flash Season 1 Episode 21 air?
The Flash Season 1 Episode 21 aired on May 5, 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.

While Barry tries to find Eddie, a mysterious mind-controlled thief launches attacks on Central City's gold reserves. The team soon discovers that a telepathic gorilla is behind the robberies... and is following Harrison's commands. Meanwhile, Iris confronts Barry, while Harrison prepares to return home.
Direct answers for episode-level questions and details.
The Flash Season 1 Episode 21 aired on May 5, 2015.
This episode runs for approximately 42 minutes.
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