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. Joe and H.R. have a heart to heart talk.false2017-10-04 14:56:31Killer FrostKevin Smith8.92016TV-PGtt5584132574999342ActionAdventureDramaSci-Fihttps://www.thetvdb.com/banners/episodes/279121/5749993.jpgGreg GrunbergGuestStarhttps://image.tmdb.org/t/p/original/zgRYVRXdt8k644UiBHmPYBV325R.jpgTom FeltonGuestStarhttps://image.tmdb.org/t/p/original/5hb2kKBYhpQRyWslJWzaDr5G1op.jpg732016-11-22