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 GrunbergTom Patterson

Lisa MacFaddenAnne

Blair PennerCraig

Taylor St. PierreAcolyte

Tobin BellDoctor Alchemy / Savitar (voice) (uncredited)

Andre TricoteuxSavitar