Check out the promo and press release for the next episode of The Flash, that will airs on May 10.

BELIEVE IN THE IMPOSSIBLE; KAYLA COMPTON DIRECTS – A Iris (Candice Patton) is alarmed by Barry’s (Grant Gustin) disappearance and Cecile (Danielle Nicolet) assures her everything will be ok, but does she know that for certain? Team Flash is affected by a mysterious substance and Khione (Danielle Panabaker) develops a better understanding of what she can and cannot control.

Kayla Compton directed the episode with story by Lauren Fields and teleplay by Kristen Kim (911).