The Flash — “Rogue Air” — Image FLA122A_0026b — Pictured (L-R): Wentworth Miller as Leonard Snart / Captain Cold, Carlos Valdes as Cisco Ramon, Danielle Panabaker as Caitlin Snow, Jesse L. Martin as Detective Joe West, and Grant Gustin as Barry Allen / The Flash — Photo: Dean Buscher/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122A_0051b — Pictured: Wentworth Miller as Leonard Snart / Captain Cold — Photo: Dean Buscher/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122A_0057b — Pictured (L-R): Wentworth Miller as Leonard Snart / Captain Cold, Grant Gustin as Barry Allen / The Flash and Danielle Panabaker as Caitlin Snow — Photo: Dean Buscher/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122A_0078b — Pictured (L-R): Wentworth Miller as Leonard Snart / Captain Cold, Danielle Panabaker as Caitlin Snow and Jesse L. Martin as Detective Joe West — Photo: Dean Buscher/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122A_0165b — Pictured (L-R): Carlos Valdes as Cisco Ramon, Danielle Panabaker as Caitlin Snow and Jesse L. Martin as Detective Joe West — Photo: Dean Buscher/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122A_0179b — Pictured (L-R): Grant Gustin as Barry Allen / The Flash and Wentworth Miller as Leonard Snart / Captain Cold — Photo: Dean Buscher/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122A_0351b — Pictured (L-R): Doug Jones as Jake Simmons, Paul Anthony as Roy G. Bivolo, Liam McIntyre as Mark Mardon, Britne Oldford as Shawna Baez and Anthony Carrigan as Kyle Nimbus — Photo: Dean Buscher/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122A_0366b — Pictured (L-R): Liam McIntyre as Mark Mardon and Paul Anthony as Roy G. Bivolo — Photo: Dean Buscher/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122B_0016b– Pictured: Grant Gustin as Barry Allen / The Flash — Photo: Diyah Pera/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122B_0101b — Pictured (L-R): Grant Gustin as Barry Allen / The Flash, Stephen Amell as Oliver Queen / Arrow and Robbie Amell as Ronnie / Firestorm — Photo: Diyah Pera/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122B_0149b — Pictured: Stephen Amell as Oliver Queen / Arrow — Photo: Diyah Pera/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122B_0161b — Pictured (L-R): Grant Gustin as Barry Allen / The Flash, Stephen Amell as Oliver Queen / Arrow and Robbie Amell as Ronnie / Firestorm — Photo: Diyah Pera/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122B_0203b — Pictured: Grant Gustin as Barry Allen / The Flash — Photo: Diyah Pera/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122B_0255b — Pictured (L-R): Stephen Amell as Oliver Queen / Arrow, Grant Gustin as Barry Allen / The Flash and Robbie Amell as Ronnie / Firestorm — Photo: Diyah Pera/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122B_0279b — Pictured (L-R): Stephen Amell as Oliver Queen / Arrow and Grant Gustin as Barry Allen / The Flash — Photo: Diyah Pera/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122B_0289b — Pictured: Robbie Amell as Ronnie / Firestorm — Photo: Diyah Pera/The CW — © 2015 The CW Network, LLC. All rights reserved.

The Flash — “Rogue Air” — Image FLA122B_0294b — Pictured: Stephen Amell as Oliver Queen / Arrow — Photo: Diyah Pera/The CW — © 2015 The CW Network, LLC. All rights reserved.

Episode Description:

STEPHEN AMELL, ROBBIE AMELL, WENTWORTH MILLER, LIAM MCINTYRE AND DOUG JONES GUEST STAR — As Wells (Tom Cavanagh) once again gets the upper hand on the S.T.A.R. Labs team, Barry (Grant Gustin) realizes he needs to make a big move and reaches out to an old foe, Captain Cold (guest star Wentworth Miller), for help. Joe (Jesse L. Martin) and Caitlin (Danielle Panabaker) 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 (guest star Stephen Amell) and Firestorm (guest star Robbie Amell). Doug Aarniokoski directed the episode written by Aaron Helbing & Todd Helbing (#122). Original airdate 5/12/2015.