Rogue Air

"Rogue Air" is the upcoming twenty-second episode of the first season of The Flash, and the twenty-second episode overall. It will air on May 12, 2015.

Synopsis
As 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, Captain Cold, for help. Joe and Caitlin warn Barry that Cold can’t be trusted. True to form, Cold has his own agenda that involves the meta-humans trapped in the containment cells. As things seem to be going from bad to worse, The Flash gets reinforcements – Arrow and Firestorm.