The CW has released the producer’s preview for the upcoming 19th episode of “The Flash,” which you can check out in the player below. Titled “Who is Harrison Wells?” the episode is officially described as follows:
“Joe (Jesse L. Martin) and Cisco (Carlos Valdes) head to Starling City to continue their investigation of Dr. Wells (Tom Cavanagh). While in town, the duo enlists the help of Captain Lance (guest star Paul Blackthorne), and Cisco meets the Black Canary (guest star Katie Cassidy), who asks him for a favor. Meanwhile, back in Central City, Barry (Grant Gustin) races to catch a meta-human named Hannibal Bates (guest star Martin Novotny) who can transform himself into every person he touches — which includes Eddie (Rick Cosnett), Iris (Candice Patton), Caitlin (Danielle Panabaker) and even The Flash.”
Wendey Stanzler directed the episode written by Ray Utarnachitt & Cortney Norris. “Who is Harrison Wells?” will air on April 21.
You can catch up on our recaps of “The Flash” by clicking here .
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The Flash 1X19
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119A_0060b -- Pictured: Rick Cosnett as Detective Eddie Thawne -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119A_0081b -- Pictured (L-R): Grant Gustin as Barry Allen and Rick Cosnett as Detective Eddie Thawne -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119A_0088b -- Pictured (L-R): Rick Cosnett as Detective Eddie Thawne and Grant Gustin as Barry Allen -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119A_0135b -- Pictured (L-R): Grant Gustin as Barry Allen and Rick Cosnett as Detective Eddie Thawne -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119A_0156b -- Pictured: Rick Cosnett as Detective Eddie Thawne -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119A_0214b -- Pictured: Grant Gustin as Barry Allen -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119A_0266b -- Pictured (L-R): Jesse L. Martin as Detective Joe West, Grant Gustin as Barry Allen, Danielle Panabaker as Caitlin Snow, and Carlos Valdes as Cisco Ramon -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119A_0332b -- Pictured (L-R): Jesse L. Martin as Detective Joe West and Grant Gustin as Barry Allen -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119A_0334b-- Pictured (L-R): Jesse L. Martin as Detective Joe West and Grant Gustin as Barry Allen -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119B_0012b -- Pictured (L-R): Carlos Valdes as Cisco Ramon and Katie Cassidy as Laurel Lance -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119B_0016b -- Pictured: Carlos Valdes as Cisco Ramon -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119B_0075b -- Pictured (L-R): Carlos Valdes as Cisco Ramon and Katie Cassidy as Laurel Lance -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119B_0190b -- Pictured (L-R): Jesse L. Martin as Detective Joe West, Carlos Valdes as Cisco Ramon, and Paul Blackthorne as Quentin Lance -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119B_0206b -- Pictured (L-R): Paul Blackthorne as Quentin Lance, Jesse L. Martin as Detective Joe West, Carlos Valdes as Cisco Ramon, and Katie Cassidy as Laurel Lance -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119B_0272b -- Pictured: Carlos Valdes as Cisco Ramon -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119B_0275b -- Pictured (L-R): Jesse L. Martin as Detective Joe West and Carlos Valdes as Cisco Ramon -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119B_0321b -- Pictured (L-R): Jesse L. Martin as Detective Joe West and Paul Blackthorne as Quentin Lance -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119B_0342b -- Pictured (L-R): Jesse L. Martin as Detective Joe West and Paul Blackthorne as Quentin Lance -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119B_0372b -- Pictured (L-R): Carlos Valdes as Cisco Ramon and Katie Cassidy as Laurel Lance -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.
The Flash
The Flash -- "Who is Harrison Wells?" -- Image FLA119B_0411b -- Pictured (L-R): Carlos Valdes as Cisco Ramon and Katie Cassidy as Laurel Lance -- Photo: Katie Yu /The CW -- © 2015 The CW Network, LLC. All rights reserved.