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