Another crossover episode!
Stephen Amell, Robbie Amell, Wentworth Miller, Liam McIntyre and Doug Jones all guest star in tonight's new episode of The Flash.
Wells once again gets the upper hand on the S.T.A.R. Labs team.
Barry realizes he needs to make a big move and reaches out to an old foe, Caption Cold (guest star Wentworth Miller) for help.
Joe and Caitlin warn Barry that Cold can't be trusted.
As things seems to be going from bad to worse, The Flash gets reinforcements - Arrow (guest star Stephen Amell) and Firestorm (guest star Robbie Amell).
Only one more episode left until the season finale!
Watch tonight at 8p!