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The Flash -- "Keep it Dark" -- Image Number: FLA817b_0106r.jpg -- Pictured: Kayla Compton as Allegra Garcia -- Photo: Bettina Strauss/The CW -- 2022 The CW Network, LLC. All Rights Reserved.

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The Flash -- "Keep it Dark" -- Image Number: FLA817b_0124r.jpg -- Pictured (L-R): Brandon McKnight as Chester P. Runk and Kayla Compton as Allegra Garcia -- Photo: Bettina Strauss/The CW -- 2022 The CW Network, LLC. All Rights Reserved.

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The Flash -- "Keep it Dark" -- Image Number: FLA817b_0214r.jpg -- Pictured: Brandon McKnight as Chester P. Runk -- Photo: Bettina Strauss/The CW -- 2022 The CW Network, LLC. All Rights Reserved.

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The Flash -- "Keep it Dark" -- Image Number: FLA817b_BTS_0245r.jpg -- Pictured (L-R): Director, Danielle Panabaker -- Photo: Bettina Strauss/The CW -- 2022 The CW Network, LLC. All Rights Reserved.

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The Flash -- "Keep it Dark" -- Image Number: FLA817b_BTS_0255r.jpg -- Pictured (L-R): Director, Danielle Panabaker -- Photo: Bettina Strauss/The CW -- 2022 The CW Network, LLC. All Rights Reserved.

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The Flash -- "Keep it Dark" -- Image Number: FLA817b_BTS_0271r.jpg -- Pictured (L-R): -- Photo: Bettina Strauss/The CW -- 2022 The CW Network, LLC. All Rights Reserved.

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The Flash -- "Keep it Dark" -- Image Number: FLA817a_0022r.jpg -- Pictured: Tom Cavanagh as Eobard Thawne -- Photo: Bettina Strauss/The CW -- 2022 The CW Network, LLC. All Rights Reserved.

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The Flash -- "Keep it Dark" -- Image Number: FLA817a_0095r.jpg -- Pictured: Grant Gustin as The Flash -- Photo: Bettina Strauss/The CW -- 2022 The CW Network, LLC. All Rights Reserved.

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The Flash -- "Keep it Dark" -- Image Number: FLA817a_0176r.jpg -- Pictured: Grant Gustin as The Flash -- Photo: Bettina Strauss/The CW -- 2022 The CW Network, LLC. All Rights Reserved.

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The Flash -- "Keep it Dark" -- Image Number: FLA817a_0250r.jpg -- Pictured (L-R): Grant Gustin as The Flash and Tom Cavanagh as Eobard Thawne -- Photo: Bettina Strauss/The CW -- 2022 The CW Network, LLC. All Rights Reserved.

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The Flash -- "Keep it Dark" -- Image Number: FLA817a_BTS_0318r.jpg -- Pictured (L-R): Director, Danielle Panabaker -- Photo: Bettina Strauss/The CW -- 2022 The CW Network, LLC. All Rights Reserved.