New "Flash" Video Highlights Two Tense Family Reunions

In a new behind-the-scenes video for "Family of Rogues," tonight's episode of "The Flash," executive producer Gabrielle Stanton provides some context about Joe's relationship with Iris' mother as well as the Snart family dynamic. Stanton addresses last episode's cliffhanger, where it was revealed Iris' mother was still alive, and how that fact -- and the way Joe kept it a secret -- will affect their family's relationship moving forward.

Starring Grant Gustin, Carlos Valdes and Jesse L. Martin, "The Flash" airs Tuesdays at 8 pm EST on The CW.

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