Duet

The Flash -- "Duet" -- FLA317a_0336b.jpg -- Pictured (L-R): David Harewood as Hank Henshaw, Candice Patton as Iris West, Grant Gustin as Barry Allen, Melissa Benoist as Kara, Chris Wood as Mike and Carlos Valdes as Cisco Ramon -- Photo: Katie Yu/The CW -- © 2017 The CW Network, LLC. All rights reserved.