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The Flash -- "Fast Lane" -- Image: FLA212A_0038b.jpg -- Pictured (L-R): Grant Gustin as The Flash and Keiynan Lonsdale as Wally West -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Fast Lane" -- Image: FLA212A_0076b.jpg -- Pictured: Grant Gustin as The Flash -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Fast Lane" -- Image: FLA212A_0099b.jpg -- Pictured: Grant Gustin as The Flash -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Fast Lane" -- Image: FLA212A_0130b.jpg -- Pictured: Candice Patton as Iris West -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Fast Lane" -- Image: FLA212A_0160b.jpg -- Pictured: Grant Gustin as The Flash -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Fast Lane" -- Image: FLA212A_0173b.jpg -- Pictured: Jesse L. Martin as Detective Joe West-- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Fast Lane" -- Image: FLA212A_0257b.jpg -- Pictured (L-R): Candice Patton as Iris West and Jesse L. Martin as Detective Joe West -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Fast Lane" -- Image: FLA212A_0260b.jpg -- Pictured: Keiynan Lonsdale as Wally West -- Photo: Dean Buscher/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Fast Lane" -- Image: FLA212B_0005b.jpg -- Pictured: Tom Cavanagh as Harrison Wells -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Fast Lane" -- Image: FLA212B_0025b2.jpg -- Pictured: Grant Gustin as Barry Allen -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Fast Lane" -- Image: FLA212B_0026b.jpg -- Pictured: Grant Gustin as Barry Allen -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Fast Lane" -- Image: FLA212B_0066b.jpg -- Pictured (L-R): Tom Cavanagh as Harrison Wells and Grant Gustin as Barry Allen -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Fast Lane" -- Image: FLA212B_0071b.jpg -- Pictured: Grant Gustin as Barry Allen -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Fast Lane" -- Image: FLA212B_0174b.jpg -- Pictured: Tom Cavanagh as Harrison Wells -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.