We Are The Flash

"We Are The Flash" is the upcoming twenty-third and final episode of the fourth season of The Flash, and the ninety-second overall. It will air on May 22, 2018.

Synopsis
Team Flash gets help from a surprising ally in their battle against DeVoe.

Trivia

 * The title references the quote Iris said to Barry in . In that episode, she convinced him about being together instead of doing the battles alone.
 * The Mystery Girl's identity will be revealed in this episode.
 * One cliffhanger at the end of this episode will tease the season 5 main antagonist.