Barry and Iris relive the same day over and over again; Joe has a heart-to-heart with Cecile; friends and foes, old and new, begin to descend upon Central City. (imdb)

Barry feels guilty for what happened to Caitlin; Mark comes up with a plan that makes everyone skeptical; Red Death looms in Central City and commands that failure is not an option; old friends pay an unexpected visit to S.T.A.R. Labs. (imdb)

Barry recruits an unlikely team of allies to steal a valuable piece of equipment before the new Rogues can. (imdb)

The Flash is forced to make an impossible choice; with the power out in the city, Team Flash calls upon the Rogue Squad to help; Iris is visited by an old friend; Joe and Cecile work on finding a balance. (imdb)

Red Death unleashes her plan for total justice, with the aid of as-yet unseen ally. (imdb)

Barry and Iris prepare for their new life; Cecile takes on a case involving a string of unfortunate and highly unexpected events; Chester and the team work with Khione to figure out her abilities. (imdb)

Iris and Nia fall into a fever dream and explore different possibilities for their lives; Barry, Chester, Allegra and Cecile desperately try to help them; Khione feels that Mark is trying to make her something she is not. (imdb)

A seemingly simple mold inspection at S.T.A.R. Labs leads to unexpected time anomalies; Chester admits a secret to Allegra, which makes things awkward between the two; Khione meets with an old friend of Team Flash. (imdb)

Team Flash throws a surprise birthday party for Barry, but things go terribly awry when Ramsey Rosso crashes the festivities. (imdb)

As Iris receives word of a career milestone, Barry is suddenly nowhere to be found; Barry runs across many familiar faces; Khione continues to figure out her powers; Chester works on a suit for Allegra. (imdb)

Iris is alarmed by Barry's disappearance and Cecile assures her everything will be OK; Team Flash is affected by a mysterious substance; Khione develops a better understanding of what she can and cannot control. (imdb)

Team Flash works together to figure out how to protect Barry, all while being very careful who they trust; Cecile is skeptical of the plan after an unsuccessful attempt; Khione's confidence in Chester enables him to convince Cecile to try again. (imdb)

The Flash, the fastest man alive, is tasked with his greatest challenge yet -- to save the timeline and save existence; friends old and new gather for an epic battle to save Central City, one last time. (imdb)