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The Flash -- "Versus Zoom" -- Image: FLA218A_0014b.jpg -- Pictured (L-R): Carlos Valdes as Cisco Ramon and Grant Gustin as Barry Allen -- Photo: Cate Cameron/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Versus Zoom" -- Image: FLA218A_0071b.jpg -- Pictured (L-R): Carlos Valdes as Cisco Ramon and Danielle Panabaker as Caitlin Snow -- Photo: Cate Cameron/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Versus Zoom" -- Image: FLA218A_0081b.jpg -- Pictured: Tom Cavanagh as Harrison Wells -- Photo: Cate Cameron/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Versus Zoom" -- Image: FLA218A_0161b.jpg -- Pictured: Grant Gustin as Barry Allen -- Photo: Cate Cameron/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Versus Zoom" -- Image: FLA218A_0172b.jpg -- Pictured (L-R): Carlos Valdes as Cisco Ramon, Danielle Panabaker as Caitlin Snow and Grant Gustin as Barry Allen -- Photo: Cate Cameron/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Versus Zoom" -- Image: FLA218A_0177b.jpg -- Pictured (L-R): Danielle Panabaker as Caitlin Snow and Grant Gustin as Barry Allen -- Photo: Cate Cameron/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Versus Zoom" -- Image: FLA218A_0224b.jpg -- Pictured: Grant Gustin as Barry Allen -- Photo: Cate Cameron/The CW -- © 2016 The CW Network, LLC. All rights reserved

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The Flash -- "Versus Zoom" -- Image: FLA218A_0230b.jpg -- Pictured (L-R): Jesse L. Martin as Detective Joe West and Grant Gustin as Barry Allen -- Photo: Cate Cameron/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Versus Zoom" -- Image: FLA218A_0244b.jpg -- Pictured (L-R): Grant Gustin as Barry Allen and Jesse L. Martin as Detective Joe West -- Photo: Cate Cameron/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Versus Zoom" -- Image: FLA218b_0022b.jpg -- Pictured (L-R): Jesse L. Martin as Detective Joe West, Candice Patton as Iris West and Grant Gustin as Barry Allen -- Photo: Diyah Pera/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Versus Zoom" -- Image: FLA218b_0035b.jpg -- Pictured (L-R): Jesse L. Martin as Detective Joe West, Candice Patton as Iris West, Carlos Valdes as Cisco Ramon, Danielle Panabaker as Caitlin Snow, Grant Gustin as The Flash and Tom Cavanagh as Harrison Wells -- Photo: Diyah Pera/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Versus Zoom" -- Image: FLA218b_0090.jpg -- Pictured: Teddy Sears as Jay Garrick -- Photo: Diyah Pera/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Versus Zoom" -- Image: FLA218b_0130b.jpg -- Pictured: Teddy Sears as Jay Garrick -- Photo: Diyah Pera/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Versus Zoom" -- Image: FLA218b_0150b.jpg -- Pictured: Grant Gustin as Barry Allen -- Photo: Diyah Pera/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Versus Zoom" -- Image: FLA218b_0193b.jpg -- Pictured: Grant Gustin as Barry Allen, Danielle Panabaker as Caitlin Snow and Carlos Valdes as Cisco Ramon -- Photo: Diyah Pera/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Versus Zoom" -- Image: FLA218b_0196b.jpg -- Pictured (L-R): 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.

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The Flash -- "Versus Zoom" -- Image: FLA218b_0225b.jpg -- Pictured (L-R): Grant Gustin as Barry Allen and Danielle Panabaker as Caitlin Snow -- Photo: Diyah Pera/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "Versus Zoom" -- Image: FLA218b_0011b2.jpg -- Pictured (L-R): Zoom and Keiynan Lonsdale as Wally West -- Photo: Diyah Pera/The CW -- © 2016 The CW Network, LLC. All rights reserved

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The Flash -- "Versus Zoom" -- Image: FLA218b_0049b2.jpg -- Pictured (L-R): Zoom and Keiynan Lonsdale as Wally West -- Photo: Diyah Pera/The CW -- © 2016 The CW Network, LLC. All rights reserved

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The Flash -- "Versus Zoom" -- Image: FLA218b_0101b2.jpg -- Pictured (L-R): Grant Gustin as Barry Allen, Zoom and Keiynan Lonsdale as Wally West -- Photo: Diyah Pera/The CW -- © 2016 The CW Network, LLC. All rights reserved