After using her powers to try and help her friends Caitlin unleashes her inner Killer Frost to find Alchemy. Team Flash finds itself crippled after Barry’s first encounter with Savitar, a new speedster with incredible power — and Joe is frustrated with Wally is locked inside a cocoon.

U.S. air dates are in MM.DD.YY form. U.K. air dates are in DD.MM.YY form.

SciFi Stream earns a commission on purchases made through our affiliate links.

About

KEVIN SMITH DIRECTS; KILLER FROST EMERGES

Caitlin (Danielle Panabaker) uses her powers to save Barry (Grant Gustin) but as her mother predicted, the effort unleashes her inner Killer Frost. Killer Frost goes on a rampage looking for Dr. Alchemy, kidnapping Julian (Tom Felton) and battling both The Flash and Vibe (Carlos Valdes). Meanwhile, Joe (Jesse L. Martin) and H.R. (Tom Cavanagh) have a heart to heart talk.

Kevin Smith directed the episode with story by Judalina Neira and teleplay by Andrew Kreisberg & Brooke Roberts (#307).