Watch Killer Frost Make Her Big Entrance in New 'Flash' Promo
This is the first time we see Caitlyn Snow’s alter ego, aside from a brief glimpse we got at the end of last season.
Oh, and the Reverse-Flash (Matt Letscher) is back too. Watch below!
The Flash returns on Tuesday, January 19 @ 8PM on The CW!
The Flash “Pretty Messed Up” Promo