- 8.0/1026 votes
#1 - I Know Who You Are
Season 3 Episode 20 - Aired 5/2/2017
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.
Director: Hanelle M. Culpepper
Writer: Bronwen Clark