The Flash (2014) (2014)

Episode Overview

Caitlin taps into her abilities to rescue Barry, but as her mother warned, this triggers her alter ego, Killer Frost. Once unleashed, Killer Frost goes on a destructive spree in search of Dr. Alchemy, abducting Julian and clashing with both The Flash and Vibe. Meanwhile, Joe and H.R. share a meaningful conversation, deepening their bond.