The Flash · SEASON 3
I Know Who You Are
Episode 20 · 2017-05-02

- Drama
- Sci-Fi & Fantasy
Episode overview
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.
42 minutes
Season 3 episodes
1. Flashpoint2016-10-04
2. Paradox2016-10-11
3. Magenta2016-10-18
4. The New Rogues2016-10-25
5. Monster2016-11-01
6. Shade2016-11-15
7. Killer Frost2016-11-22
8. Invasion! (II)2016-11-29
9. The Present2016-12-06
10. Borrowing Problems from the Future2017-01-24
11. Dead or Alive2017-01-31
12. Untouchable2017-02-07
13. Attack on Gorilla City (1)2017-02-21
14. Attack on Central City (2)2017-02-28
15. The Wrath of Savitar2017-03-07
16. Into the Speed Force2017-03-14
17. Duet (II)2017-03-21
18. Abra Kadabra2017-03-28
19. The Once and Future Flash2017-04-25
20. I Know Who You Are2017-05-02
21. Cause and Effect2017-05-09
22. Infantino Street2017-05-16
23. Finish Line2017-05-23