The Flash Season 3 Episode 7
Killer Frost
Caitlin uses her powers to save Barry but as her mother predicted, the effort unleashes her inner Killer Frost. Killer Frost goes on a rampage looking for Dr. Alchemy, kidnapping Julian and battling both The Flash and Vibe. Meanwhile, Joe and H.R. have a heart to heart talk.
Guest Stars
Greg Grunberg
Tom Patterson
Lisa MacFadden
Anne
Blair Penner
Craig
Taylor St. Pierre
Acolyte
Tobin Bell
Doctor Alchemy / Savitar (voice) (uncredited)