‘The Flash’ Season 3 Episode 20 Preview: I Know Who You Are

The Flash Season 3 Episode 20 Killer Frost
Danielle Panabaker as Killer Frost in ‘The Flash’ season 3 episode 20 (Photo: Katie Yu © 2017 The CW Network)

The CW’s The Flash season three episode 19 found Barry traveling to 2024 to find out from his future self who Savitar is and how to stop him. Unfortunately, the trip revealed #TeamFlash had splintered and Barry had become a recluse, still mourning the loss of Iris. 2017 Barry put the team back together and was able to get a potential lead into finding someone who might know how to unlock Savitar’s identity. Season three episode 20 titled ‘I Know Who You Are’ continues #TeamFlash’s search for Savitar’s true identity. Directed by Hanelle Culpepper from a script by Bronwen Clark and Joshua V. Gilbert, ‘I Know Who You Are’ will air on May 2, 2017.


The season three cast includes Grant Gustin as Barry Allen/The Flash, Tom Cavanagh as Harrison Wells, Danielle Panabaker as Caitlin Snow, Candice Patton as Iris West, Keiynan Lonsdale as Wally West/Kid Flash, Carlos Valdes as Cisco, Jesse L Martin as Joe West, and Tom Felton as Julian.

The “I Know Who You Are” Plot: VIBE FACES OFF AGAINST KILLER FROST – Barry (Gustin) and the team meet Tracy Brand (guest star Anne Dudek), a scientist, who may be the key to stopping Savitar. Unfortunately, Killer Frost (Panabaker) is also after Tracy so Team Flash must battle their old friend, which proves to be particularly difficult for Cisco (Valdes). Joe (Martin) and Cecile’s (guest star Danielle Nicolet) relationship takes a big turn.

The Flash Season 3 Episode 20
Grant Gustin as The Flash, Jesse L. Martin as Detective Joe West and Danielle Panabaker as Killer Frost (Photo: Dean Buscher © 2017 The CW Network)
The Flash Season 3 Episode 20 Grant Gustin
Grant Gustin as Barry Allen (Photo: Katie Yu © 2017 The CW Network)
The Flash Season 3 Episode 20 Grant Gustin
Carlos Valdes as Cisco Ramon, Grant Gustin as Barry Allen and Tom Cavanagh as Harrison Wells (Photo: Katie Yu © 2017 The CW Network)
The Flash season 3 episode 20 Danielle Panabaker
Danielle Panabaker as Killer Frost (Photo: Dean Buscher © 2017 The CW Network)
The Flash season 3 episode 20
Anne Dudek as Tracy Brand (Photo: Katie Yu © 2017 The CW Network)
The Flash season 3 episode 20 Grant Gustin
Grant Gustin as The Flash and Jesse L. Martin as Detective Joe West (Photo: Dean Buscher © 2017 The CW Network)

Recap and Review of The Flash Season 3 Episode 20