The Flash — I Know Who You Are (S3 E20)

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.

Watch The Flash — I Know Who You Are (S3 E20) Episode Free

Cast: Grant Gustin, Candice Patton, Danielle Panabaker, Danielle Nicolet, Kayla Compton, Brandon McKnight, Jon Cor

Original title

The Flash

Genres

Drama · Sci-Fi & Fantasy

Release date

2017-05-02

Rating

7.9/10

Runtime

42 min

Status

Ended

Production countries

United States of America

Seasons

9

Episodes

184

Networks

The CW