Hot & Cold Teaser: The Flash!

REUNITED! Wentworth Miller & Dominic Purcell team up on CW's FLASH!

When The Flash (The CW, Tuesdays, 8/7C) returns on January 20th, things are going to heat up, cool off and maybe, just maybe, there’ll be a song – or at least a melody – in Cisco’s heart.

Follow the jump to check out the new TV spot that sheds some light on what’s coming up on The Flash.