(2 of 16)

The Flash -- "Shade" -- Image FLA306a_0055b.jpg -- Pictured (L-R): Carlos Valdes as Cisco Ramon, Jesse L. Martin as Detective Joe West, Danielle Nicolet as D.A. Cecile Horton and Tom Cavanagh as Harrison Wells -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

(3 of 16)

The Flash -- "Shade" -- Image FLA306a_0091b.jpg -- Pictured: Carlos Valdes as Cisco Ramon -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

(4 of 16)

The Flash -- "Shade" -- Image FLA306a_0102b.jpg -- Pictured: Danielle Panabaker as Caitlin Snow -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

(5 of 16)

The Flash -- "Shade" -- Image FLA306a_0108b2.jpg -- Pictured (L-R): Jesse L. Martin as Detective Joe West, Danielle Nicolet as D.A. Cecile Horton, Tom Cavanagh as Harrison Wells and Carlos Valdes as Cisco Ramon, -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

(6 of 16)

The Flash -- "Shade" -- Image FLA306a_0146b.jpg -- Pictured: Grant Gustin as The Flash -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

(7 of 16)

The Flash -- "Shade" -- Image FLA306a_0151b.jpg -- Pictured: Grant Gustin as The Flash -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

(8 of 16)

The Flash -- "Shade" -- Image FLA306b_0052b.jpg -- Pictured (L-R): Dr. Alchemy and Keiynan Lonsdale as Wally West -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved

(9 of 16)

The Flash -- "Shade" -- Image FLA306b_0059b.jpg -- Pictured: Dr. Alchemy -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.

(10 of 16)

The Flash -- "Shade" -- Image FLA306b_0125b.jpg -- Pictured: Dr. Alchemy -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.

(11 of 16)

The Flash -- "Shade" -- Image FLA306b_0135b.jpg -- Pictured: Dr. Alchemy -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.

(12 of 16)

The Flash -- "Shade" -- Image FLA306b_0244b.jpg -- Pictured: Jesse L. Martin as Detective Joe West -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.

(13 of 16)

The Flash -- "Shade" -- Image FLA306b_0260b.jpg -- Pictured: Jesse L. Martin as Detective Joe West -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.

(14 of 16)

The Flash -- "Shade" -- Image FLA306b_0302b.jpg -- Pictured: Dr. Alchemy -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.

(15 of 16)

The Flash -- "Shade" -- Image FLA306b_0372b.jpg -- Pictured (L-R): Keiynan Lonsdale as Wally West and Jesse L. Martin as Detective Joe West -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.

(16 of 16)

The Flash -- "Shade" -- Image FLA306b_0427b3.jpg -- Pictured: Danielle Panabaker as Caitlin Snow/Killer Frost -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.