Barry Faces The Thinker in The Flash Episode 4.07 Promo

Following last night’s episode of the series, The CW has released the first promo for next week’s episode of The Flash where Barry has to face The Thinker without his Flash suit. Check it out in the player below!

Titled “Therefore I Am,” the episode is set to air November 21 and is officially described as follows:

“Barry (Grant Gustin) comes face to face with DeVoe (guest star Neil Sandilands). Devoe’s past is revealed through flashbacks. Meanwhile, Iris (Candice Patton) puts the final touches on the wedding, which is a week away.”

David McWhirter directed the episode, which was written by Eric Wallace & Thomas Pound. Following this episode, The Flash will take part in the four-way crossover with Supergirl, Arrow, and DC’s Legends of Tomorrow which is titled “Crisis on Earth-X.”

The Flash stars Grant Gustin as Barry Allen/The Flash, Candice Patton as Iris West, Danielle Panabaker as Caitlin Snow, Carlos Valdes as Cisco Ramo, Tom Cavanagh as Dr. Harrison Wells, Jesse L. Martin as Detective Joe West, Keiynan Lonsdale as Wally West, and John Wesley Shipp. New additions to the cast are Katee Sackhoff as the villain Amunet Black and Hartley Sawyer as Ralph Dibny, aka Elongated Man.