The Once and Future Flash

The Flash · Season 3 · Episode 19

Barry travels to the future to find out Savitar’s still unknown identity in the hopes of saving Iris. Upon his arrival in 2024, Barry encounters future versions of his Team Flash friends, who, following the death of Iris, have become very different people, profoundly impacted by their showdown with Savitar. It will be up to Barry to infuse a sense of hope back into the team, as he proves to be hero his future friends have been waiting for. Meanwhile, back in 2017, the hunt for Killer Frost continues.

Season 3

• Episode 1 · Flashpoint
• Episode 2 · Paradox
• Episode 3 · Magenta
• Episode 4 · The New Rogues
• Episode 5 · Monster
• Episode 6 · Shade
• Episode 7 · Killer Frost
• Episode 8 · Invasion! (II)
• Episode 9 · The Present
• Episode 10 · Borrowing Problems from the Future
• Episode 11 · Dead or Alive
• Episode 12 · Untouchable
• Episode 13 · Attack on Gorilla City (1)
• Episode 14 · Attack on Central City (2)
• Episode 15 · The Wrath of Savitar
• Episode 16 · Into the Speed Force
• Episode 17 · Duet (II)
• Episode 18 · Abra Kadabra
• Episode 19 · The Once and Future Flash
• Episode 20 · I Know Who You Are
• Episode 21 · Cause and Effect
• Episode 22 · Infantino Street
• Episode 23 · Finish Line