Barry creates a map book to guide him and Iris throughout their future in order to keep her safe, but the results are not what he expected, and instead, they relive the same day over and over again. Joe has a heart-to-heart with Cecile. A new big bad... (more) is introduced to Team Flash and friends and foes, old and new, begin to descend upon Central City.

Carmen Moore, Jesse L. Martin, Josh Chambers, Rachel Drance, Richard Harmon, Stephanie Izsak