The Flash — “Back to Normal” — Image: FLA219a_0027b.jpg — Pictured: Grant Gustin as Barry Allen — Photo: Katie Yu/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Back to Normal” — Image: FLA219a_0034b.jpg — Pictured: Candice Patton as Iris West — Photo: Katie Yu/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Back to Normal” — Image: FLA219a_0076b.jpg — Pictured: Grant Gustin as Barry Allen — Photo: Katie Yu/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Back to Normal” — Image: FLA219a_0085b.jpg — Pictured (L-R): Jesse L. Martin as Detective Joe West, Carlos Valdes as Cisco Ramon and Grant Gustin as Barry Allen– Photo: Katie Yu/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Back to Normal” — Image: FLA219a_0087b.jpg — Pictured: Jesse L. Martin as Detective Joe West — Photo: Katie Yu/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Back to Normal” — Image: FLA219a_0108b.jpg — Pictured (L-R): Grant Gustin as Barry Allen and Carlos Valdes as Cisco Ramon — Photo: Katie Yu/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Back to Normal” — Image: FLA219b_0004b.jpg — Pictured (L-R): Grant Gustin as Barry Allen and Jesse L. Martin as Detective Joe West — Photo: Katie Yu/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Back to Normal” — Image: FLA219b_0036b.jpg — Pictured (L-R): Grant Gustin as The Flash, Carlos Valdes as Cisco Ramon and Jesse L. Martin as Detective Joe West — Photo: Katie Yu/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Back to Normal” — Image: FLA219b_0077b.jpg — Pictured Grant Gustin as The Flash — Photo: Katie Yu/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Back to Normal” — Image: FLA219b_0110b.jpg — Pictured: Jesse L. Martin as Detective Joe West — Photo: Katie Yu/The CW — © 2016 The CW Network, LLC. All rights reserved.

The Flash — “Back to Normal” — Image: FLA219b_0131b.jpg — Pictured: Grant Gustin as The Flash — Photo: Katie Yu/The CW — © 2016 The CW Network, LLC. All rights reserved.

Official Synopsis:

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

WELLS IS ATTACKED BY DC COMICS’ CHARACTER GRIFFIN GREY – A meta-human with super strength named Griffin Grey (guest star Haig Sutherland) mistakes Harry (Tom Cavanagh) for Earth-1 Harrison Wells and kidnaps him, demanding that Wells cure him from his current condition. Realizing another brilliant Wells could help track Griffin’s location, Barry asks Jesse (guest star Violett Beane) to help. Meanwhile, Wally (Keiynan Lonsdale) corners Joe (Jesse L. Martin) about The Flash. John Showalter directed the episode written by Brooke Roberts & Katherine Walczak (FLA219). Original airdate 4/26/2016.