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The Flash -- "Attack on Central City" -- FLA314a_0039b.jpg -- Pictured (L-R): Sean Poague as Accelerated Man and Jessica Camacho as Gypsy -- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314a_0050b.jpg -- Pictured: Carlos Valdes as Cisco Ramon -- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314a_0060b.jpg -- Pictured: Carlos Valdes as Cisco Ramon -- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314a_0088b.jpg -- Pictured (L-R): Violett Beane as Jesse Quick, Grant Gustin as The Flash and Keiynan Lonsdale as Kid Flash -- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314a_0100b.jpg -- Pictured (L-R): Violett Beane as Jesse Quick, Grant Gustin as The Flash and Keiynan Lonsdale as Kid Flash -- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314a_0153b.jpg -- Pictured (L-R): Violett Beane as Jesse Quick and Grant Gustin as The Flash -- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314a_0170b.jpg -- Pictured (L-R): Violett Beane as Jesse Quick, Grant Gustin as The Flash and Keiynan Lonsdale as Kid Flash -- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314a_0187b.jpg -- Pictured: Grant Gustin as The Flash -- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314a_0203b.jpg -- Pictured (L-R): Carlos Valdes as Cisco Ramon and Jessica Camacho as Gypsy -- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314a_0205b.jpg -- Pictured: Jessica Camacho as Gypsy -- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314b_0091b.jpg -- Pictured (L-R): Carlos Valdes as Cisco Ramon and Danielle Panabaker as Caitlin Snow -- Photo: Bettina Strauss/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314b_0099b.jpg -- Pictured (L-R): Danielle Panabaker as Caitlin Snow and Carlos Valdes as Cisco Ramon -- Photo: Bettina Strauss/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314b_0118b.jpg -- Pictured (L-R): Carlos Valdes as Cisco Ramon and Danielle Panabaker as Caitlin Snow -- Photo: Bettina Strauss/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314b_0122b.jpg -- Pictured: Jessica Camacho as Gypsy -- Photo: Bettina Strauss/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314b_0130b.jpg -- Pictured (L-R): Keiynan Lonsdale as Wally West and Violett Beane as Jesse Quick -- Photo: Bettina Strauss/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314b_0141b.jpg -- Pictured (L-R): Grant Gustin as Barry Allen and Candice Patton as Iris West -- Photo: Bettina Strauss/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314b_0225b.jpg -- Pictured (L-R): Violett Beane as Jesse Quick, Keiynan Lonsdale as Wally West, Candice Patton as Iris West and Tom Cavanagh as Harrison Wells -- Photo: Bettina Strauss/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314b_0257b.jpg -- Pictured (L-R): Grant Gustin as Barry Allen, Candice Patton as Iris West and Tom Cavanagh as Harrison Wells -- Photo: Bettina Strauss/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314c_0130b.jpg -- Pictured (L-R): Grant Gustin as Barry Allen and Carlos Valdes as Cisco Ramon -- Photo: Bettina Strauss/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314c_0174b.jpg -- Pictured (L-R): Grant Gustin as Barry Allen, Danielle Panabaker as Caitlin Snow, Tom Cavanagh as Harrison Wells and Carlos Valdes as Cisco Ramon -- Photo: Bettina Strauss/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "Attack on Central City" -- FLA314c_0271b.jpg -- Pictured: Grant Gustin as Barry Allen -- Photo: Bettina Strauss/The CW -- © 2017 The CW Network, LLC. All rights reserved.