The Flash (2014) S3E20
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The Flash (2014)
S03E20 — I Know Who You Are
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The Flash (2014)

S03E20 I Know Who You Are

2017-05-02

Barry and his team encounter Tracy Brand, a brilliant scientist who could hold the solution to defeating Savitar. However, they soon find themselves facing Killer Frost, who is also targeting Tracy. This confrontation poses a significant challenge for Cisco, as he grapples with the fight against their former ally. Meanwhile, Joe and Cecile's relationship reaches a pivotal moment, marking a significant change in their bond.

Season 3 Episodes

1
Flashpoint
2016-10-04
 2
Paradox
2016-10-11
 3
Magenta
2016-10-18
 4
The New Rogues
2016-10-25
 5
Monster
2016-11-01
 6
Shade
2016-11-15
 7
Killer Frost
2016-11-22
 8
Invasion! (II)
2016-11-29
 9
The Present
2016-12-06
 10
Borrowing Problems from the Future
2017-01-24
 11
Dead or Alive
2017-01-31
 12
Untouchable
2017-02-07
 13
Attack on Gorilla City (1)
2017-02-21
 14
Attack on Central City (2)
2017-02-28
 15
The Wrath of Savitar
2017-03-07
 16
Into the Speed Force
2017-03-14
 17
Duet (II)
2017-03-21
 18
Abra Kadabra
2017-03-28
 19
The Once and Future Flash
2017-04-25
 20
I Know Who You Are
2017-05-02
 21
Cause and Effect
2017-05-09
 22
Infantino Street
2017-05-16
 23
Finish Line
2017-05-23