Watch The Flash 4×07 Promo “Therefore I Am”

The promo for the new episode of The Flash has been released. This new episode is titled “Therefore I Am” and it will air on November 21.

In this new episode, “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.”

Source: The CW