The Flash — “Welcome to Earth-2” — Image FLA213a_0011b — Pictured: Grant Gustin as The Flash — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213a_0054b — Pictured: Robbie Amell as Death Storm — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213a_0085b — Pictured: Candice Patton as Earth 2 Iris West — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213a_0078b — Pictured (L-R): Candice Patton as Earth 2 Iris West and Grant Gustin as The Flash — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213a_0110b — Pictured (L-R): Michael Rowe as Floyd Lawton, Candice Patton as Earth 2 Iris West, Carlos Valdes as Cisco Ramon, and Grant Gustin as The Flash — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213a_0131b — Pictured: Carlos Valdes as Cisco Ramon — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213a_0185b — Pictured: Carlos Valdes as Cisco Ramon — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213a_0397b — Pictured: Danielle Panabaker as Killer Frost — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213a_0482b — Pictured: Danielle Panabaker as Killer Frost — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213b_0005b — Pictured: Jesse L. Martin as Earth 2 Joe West — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213b_0043b — Pictured: Grant Gustin as Earth 2 Barry Allen — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserve.

The Flash — “Welcome to Earth-2” — Image FLA213b_0137b.jpg — Pictured (L-R): Grant Gustin as Barry Allen, Candice Patton as Iris West and Jesse L. Martin as Detective Joe West — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213b_0170b — Pictured (L-R): Danielle Panabaker as Killer Frost and Robbie Amell as Death Storm — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213b_0179b — Pictured: Robbie Amell as Death Storm — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213b_0220b.jpg — Pictured (L-R): Danielle Panabaker as Killer Frost and Robbie Amell as Deathstorm — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved

The Flash — “Welcome to Earth-2” — Image FLA213b_0260b — Pictured (L-R): Candice Patton as Earth 2 Iris West, Grant Gustin as Earth 2 Barry Allen and Jesse L. Martin as Earth 2 Joe West — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213b_0282b — Pictured: Danielle Panabaker as Killer Frost — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213b_0292b.jpg — Pictured (L-R): Danielle Panabaker as Killer Frost and Robbie Amell as Deathstorm — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213b_0301b.jpg — Pictured (L-R): Danielle Panabaker as Killer Frost and Robbie Amell as Deathstorm — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213b_0341b — Pictured: Jesse L. Martin as Earth 2 Joe West — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213b_0345b.jpg — Pictured (L-R): Grant Gustin as Barry Allen and Candice Patton as Iris West — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Welcome to Earth-2” — Image FLA213b_0348b.jpg — Pictured (L-R): Grant Gustin as Barry Allen and Candice Patton as Iris West — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved

The Flash — “Welcome to Earth-2” — Image FLA213b_0379b — Pictured: Candice Patton as Earth 2 Iris West — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All rights reserved

Official Synopsis:

“Welcome to Earth-2” — (8:00-9:00 p.m. ET) (TV-14, LV) (HDTV) 

BARRY VISITS EARTH-2 — Barry (Grant Gustin), Wells (Tom Cavanagh) and Cisco (Carlos Valdes) journey to Earth-2 to rescue Wells’ daughter, Jesse (guest star) from Zoom. Barry is stunned when he runs into Earth-2 Iris (Candice Patton) and Joe (Jesse L. Martin), but nothing prepares him for meeting Killer Frost (Danielle Panabaker) and Deathstorm (guest star Robbie Amell). Meanwhile, back on Earth-1, Jay (guest star Teddy Sears) has to take over the Flash’s responsibilities when a meta-human nicknamed Geomancer (guest star Adam Stafford) attacks Central City. Written by Greg Berlanti, Andrew Kreisberg & Katherine Walczak and directed by Millicent Shelton (#213) Original airdate 2/9/2016.