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The Flash -- "The Present" -- Image FLA309a_0069b.jpg -- Pictured (L-R) Mark Hamil as James Jesse and John Wesley Shipp as Jay Garrick -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "The Present" -- Image FLA309a_0171b.jpg -- Pictured (L-R) John Wesley Shipp as Jay Garrick and Grant Gustin as The Flash -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "The Present" -- Image FLA309a_0220b.jpg -- Pictured: Mark Hamil as James Jesse -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "The Present" -- Image FLA309a_0280b.jpg -- Pictured: John Wesley Shipp as Jay Garrick -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "The Present" -- Image FLA309a_0286b.jpg -- Pictured: John Wesley Shipp as Jay Garrick -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "The Present" -- Image FLA309a_0325b.jpg -- Pictured (L-R): John Wesley Shipp as Jay Garrick and Grant Gustin as The Flash -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "The Present" -- Image FLA309a_0327b.jpg -- Pictured: Grant Gustin as The Flash -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "The Present" -- Image FLA309a_0343b.jpg -- Pictured: Dr. Alchemy -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "The Present" -- Image FLA309a_0364b.jpg -- Pictured: Grant Gustin as The Flash -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "The Present" -- Image FLA309b_0095b.jpg -- Pictured: Candice Patton as Iris West -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "The Present" -- Image FLA309b_0096b.jpg -- Pictured: Jesse L. Martin as Detective Joe West -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "The Present" -- Image FLA309b_0105b.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 -- "The Present" -- Image FLA309b_0107b.jpg -- Pictured: Keiynan Lonsdale as Wally West -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.

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The Flash -- "The Present" -- Image FLA309b_0165b.jpg -- Pictured: Jesse L. Martin as Detective Joe West, Danielle Panabaker as Caitlin Snow and Carlos Valdes as Cisco Ramon -- Photo: Katie Yu/The CW -- © 2016 The CW Network, LLC. All rights reserved.