The Flash's mid-season premiere synopsis is out.
Episode 10 is titled, Revenge Of The Rogues and will air on January 20th at 8 pm on the CW.
Prison Break stars Wentworth Miller and Dominic Purcell will guest star as Captain Cold and Heat Wave and challenge the Flash to an epic battle.
The official synopsis reads as follows (via Comicbook.com)
The winter finale suggested that Harrison Wells is in fact the Reverse Flash.
The fall premiere will look at Barry Allen feeling defeated after what happened with the Reverse Flash, and he also has to deal with the aftermath of what he told Iris.
Watch the promo here: