The Flash: Season 3, Episode 20

I Know Who You Are

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.

Writing:
  • Geoff Johns
  • Greg Berlanti
  • Andrew Kreisberg

Stars:
Release Date: 2014-10-07
Seasons: 1 2 3 4 5 6 7 8 9
Metacritic: 6.7/10
TMDb: 7.8/10
  • Country: US
  • Language: English
  • Runtime: 44

Other episodes for this season

Flashpoint
Episode 1 - Flashpoint
Paradox
Episode 2 - Paradox
Magenta
Episode 3 - Magenta
The New Rogues
Episode 4 - The New Rogues
Monster
Episode 5 - Monster
Shade
Episode 6 - Shade
Killer Frost
Episode 7 - Killer Frost
Invasion! (II)
Episode 8 - Invasion! (II)
The Present
Episode 9 - The Present
Borrowing Problems from the Future
Episode 10 - Borrowing Problems from t...
Dead or Alive
Episode 11 - Dead or Alive
Untouchable
Episode 12 - Untouchable
Attack on Gorilla City (1)
Episode 13 - Attack on Gorilla City (1...
Attack on Central City (2)
Episode 14 - Attack on Central City (2...
The Wrath of Savitar
Episode 15 - The Wrath of Savitar
Into the Speed Force
Episode 16 - Into the Speed Force
Duet (II)
Episode 17 - Duet (II)
Abra Kadabra
Episode 18 - Abra Kadabra
The Once and Future Flash
Episode 19 - The Once and Future Flash
I Know Who You Are
Episode 20 - I Know Who You Are
Cause and Effect
Episode 21 - Cause and Effect
Infantino Street
Episode 22 - Infantino Street
Finish Line
Episode 23 - Finish Line