The Flash

Season 3 • Episode 20

I Know Who You Are

2017-05-02 7.9/10 42 min

Overview

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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