The Flash (2014) (2014)
S03E19 The Once and Future Flash
Episode Overview
Title: The Once and Future Flash Plot: In a desperate bid to uncover Savitar's hidden identity and save Iris, Barry journeys to the year 2024. There, he meets future iterations of his Team Flash allies, who have drastically changed after Iris's tragic death and their battle with Savitar. Barry must reignite their hope and remind them of the hero they once believed in. Meanwhile, in 2017, the pursuit of Killer Frost intensifies, adding urgency to Barry's mission across time.