The Flash
The Once and Future Flash
Season 3, Episode 19 · Aired 2017-04-25

Synopsis
Barry travels to 2024 to discover who Savitar is and use the information to save Iris. However, he soon discovers that Team Flash was destroyed when Iris was killed... and Barry is responsible. Meanwhile, Killer Frost finds someone who can give her what she wants.
In the series
This episode is part of The Flash (2014–2023) on The CW.
Scarlet speedster optimism — multiverse soap with heart-on-sleeve heroics.
Key cast
- Grant Gustin as Barry Allen / The Flash
- Candice Patton as Iris West
- Danielle Panabaker as Caitlin Snow
- Carlos Valdes as Cisco Ramon
- Tom Cavanagh as Harrison Wells
- Jesse L. Martin as Joe West