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The Flash

The Flash

The fastest man alive.

2014Ended9 Seasons184 Episodes7.8TMDB
The CW

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 5 · Episode 21

The Girl With The Red Lightning

May 7, 2019·42m

Team Flash is on high alert after Cicada II threatens to unleash a dangerous virus that would put all meta-humans at risk.

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Episode FAQ

Direct answers for episode-level questions and details.

When did The Flash Season 5 Episode 21 air?

The Flash Season 5 Episode 21 aired on May 7, 2019.

How long is The Flash Season 5 Episode 21?

This episode runs for approximately 42 minutes.

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