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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 3 · Episode 20

I Know Who You Are

May 2, 2017·42m

Barry and the team meet Tracy Brand, a scientist, who may be the key to stopping Savitar. Unfortunately, Killer Frost is also after Tracy so Team Flash must battle their old friend, which proves to be particularly difficult for Cisco. Joe and Cecile’s relationship takes a big turn.

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Episode FAQ

Direct answers for episode-level questions and details.

When did The Flash Season 3 Episode 20 air?

The Flash Season 3 Episode 20 aired on May 2, 2017.

How long is The Flash Season 3 Episode 20?

This episode runs for approximately 42 minutes.

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