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The Flash -- "The Wrath of Savitar" -- FLA315a_0010b.jpg -- Pictured (L-R): Jesse L. Martin as Detective Joe West, Candice Patton as Iris West, Grant Gustin as Barry Allen and Tom Felton as Julian Albert -- Photo: Bettina Strauss/ The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "The Wrath of Savitar" -- FLA315a_0025b.jpg -- Pictured (L-R): Danielle Panabaker as Caitlin Snow, Carlos Valdes as Cisco Ramon 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 -- "The Wrath of Savitar" -- FLA315a_0038b.jpg -- Pictured (L-R): Candice Patton as Iris West and Grant Gustin as Barry Allen -- Photo: Bettina Strauss/ The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "The Wrath of Savitar" -- FLA315a_0048b.jpg -- Pictured (L-R): Jesse L. Martin as Detective Joe West 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 -- "The Wrath of Savitar" -- FLA315a_0051b.jpg -- Pictured (L-R): Jesse L. Martin as Detective Joe West, Grant Gustin as Barry Allen and Tom Felton as Julian Albert -- Photo: Bettina Strauss/ The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "The Wrath of Savitar" -- FLA315a_0083b.jpg -- Pictured: Tom Felton as Julian Albert -- Photo: Bettina Strauss/ The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "The Wrath of Savitar" -- FLA315a_0090b.jpg -- Pictured (L-R): Carlos Valdes as Cisco Ramon and Tom Felton as Julian Albert -- Photo: Bettina Strauss/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "The Wrath of Savitar" -- FLA315a_0170b.jpg -- Pictured (L-R): Carlos Valdes as Cisco Ramon, Grant Gustin as Barry Allen, Candice Patton as Iris West, Jesse L. Martin as Detective Joe West, Violett Beane as Jesse Quick, Tom Cavanagh as Harrison Wells, Danielle Panabaker as Caitlin Snow and Tom Felton as Julian Albert -- Photo: Bettina Strauss/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "The Wrath of Savitar" -- FLA315a_0182b.jpg -- Pictured (L-R): Jesse L. Martin as Detective Joe West, Candice Patton as Iris 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 -- "The Wrath of Savitar" -- FLA315a_0186b.jpg -- Pictured (L-R): Jesse L. Martin as Detective Joe West 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 -- "The Wrath of Savitar" -- FLA315a_0192b.jpg -- Pictured (L-R): Candice Patton as Iris 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 -- "The Wrath of Savitar" -- FLA315a_0223b.jpg -- Pictured: Carlos Valdes as Cisco Ramon -- Photo: Bettina Strauss/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "The Wrath of Savitar" -- FLA315a_0239b.jpg -- Pictured (L-R): 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 -- "The Wrath of Savitar" --FLA315b_0018b.jpg -- Pictured (L-R): Carlos Valdes as Cisco Ramon, Danielle Panabaker as Caitlin Snow, Grant Gustin as Barry Allen and Tom Felton as Julian Albert-- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "The Wrath of Savitar" --FLA315b_0035b.jpg -- Pictured (L-R): Carlos Valdes as Cisco Ramon, Danielle Panabaker as Caitlin Snow, Grant Gustin as Barry Allen and Tom Felton as Julian Albert -- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "The Wrath of Savitar" --FLA315b_0121b.jpg -- Pictured (L-R): Carlos Valdes as Cisco Ramon, Jesse L. Martin as Detective Joe West, Candice Patton as Iris West and Tom Felton as Julian Albert -- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "The Wrath of Savitar" -- FLA315b_0126b.jpg -- Pictured (L-R): Jesse L. Martin as Detective Joe West, Candice Patton as Iris West and Tom Felton as Julian Albert -- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.

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The Flash -- "The Wrath of Savitar" --FLA315b_0131b.jpg -- Pictured (L-R): Carlos Valdes as Cisco Ramon and Jesse L. Martin as Detective Joe West -- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.