The Flash Trailer “The Once and Future Flash” The Flash Season 3 Episode 19 Trailer – Check out the new Trailer for The Flash Season 3 Episode 19 “The Once and Future Flash” airing Tuesday April 25th on The CW. Barry (Grant Gustin) travels to the future to find out Savitar’s still unknown identity in the hopes of saving Iris (Candice Patton). 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.
When The Flash returns, Barry heads to the future in order to learn more about Savitar’s plans and how to stop the “future Flash.”
The CW released an extended trailer for the episode.