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S3:E20 - I Know Who You Are

I Know Who You Are

S3:E20
2017
7.9/10
IMDb

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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