Season 9 (The Flash: 2014)

"Let's do this one last time."

- The Flash

The ninth and final season of was renewed by The CW on March 22, 2022, and premiered on February 8, 2023. It consists of 13 episodes.

Synopsis
After defeating the Reverse Flash once and for all, the 13-episode Season 9 picks up one week later following their epic battle, and Barry Allen and Iris West-Allen are reconnecting and growing closer than ever before. But when a deadly group of Rogues descend on Central City led by a powerful new threat, The Flash and his team—Caitlin Snow, Meta-Empath Cecile Horton, the light-powered meta Allegra Garcia, brilliant tech-nerd Chester P. Runk, and reformed cryogenics thief Mark Blaine—must once again defy impossible odds to save the day. But as The Rogues are defeated, a deadly new adversary rises to challenge Barry Allen's heroic legacy. And in their greatest battle yet, Barry and Team Flash will be pushed to their limits, in order to save Central City one last time.

Main Cast

 * Grant Gustin as The Flash (Barry Allen)
 * Candice Patton as Iris West-Allen
 * Danielle Panabaker as Frost / Khione
 * Danielle Nicolet as Cecile Horton
 * Kayla Compton as Allegra Garcia
 * Brandon McKnight as Chester P. Runk
 * Jon Cor as Chillblaine (Mark Blaine)

Recurring Cast

 * Jesse L. Martin as Joe West
 * Carmen Moore as Kristen Kramer
 * Rachel Drance as Taylor Downs
 * Richard Harmon as Captain Boomerang (Owen Mercer)
 * Magda Apanowicz as Fiddler (Andrea Wozzeck)
 * Andy Mientus as Pied Piper (Hartley Rathaway)
 * Max Adler as The Hotness (Jaco Birch)
 * Damion Poitier as Goldface (Keith Kenyon)
 * Alexandria Wailes as Murmur (Michelle Amar)
 * Stephanie Izsak as Daisy Korber
 * Sendhil Ramamurthy as Bloodwork (Ramsey Rosso)
 * Sugar Lyn Beard as Hazard (Becky Sharpe)
 * Paul Anthony as Rainbow Raider (Roy G. Bivolo)

In-Universe Guest Stars

 * Javicia Leslie as Red Death (Ryan Wilder) / Batwoman (Ryan Wilder)
 * Nicole Maines as Dreamer (Nia Nal)
 * David Ramsey as Spartan (John Diggle)
 * Stephen Amell as Green Arrow (Oliver Queen)

Guest Stars

 * Keiynan Lonsdale as Kid Flash (Wally West)
 * Patrick Sabongui as David Singh
 * Rick Cosnett as Eddie Thawne
 * Michelle Harrison as Nora Allen
 * John Wesley Shipp as Henry Allen / The Flash (Jay Garrick)
 * Jessica Parker Kennedy as XS (Nora West-Allen)
 * Matt Letscher as Eobard Thawne
 * Teddy Sears as Zoom (Hunter Zolomon)

Production

 * Filming began on September 14, 2022, and is set to wrap up on March 6, 2023.