Season 5 (The Flash)

was renewed for a fifth season by The CW on April 2, 2018. It premiered on October 9, 2018 with its midseason finale "What's Past is Prologue" airing on December 4th. It was also the 100th episode.

Synopsis
Matching wits with The Thinker, who by season's end had harnessed the powers of all twelve bus metas he created, stretched Team Flash to their limits, but with the help of some new allies, Barry Allen (aka The Flash) and company were able to put a stop to the Enlightenment and save Central City once again.

However, with the arrival of Barry and Iris' speedster daughter, Nora, who arrived from the future admitting to having made a "big mistake", things are anything but status quo. Will parenthood be the challenge that finally slows The Flash down?

Main cast

 * Grant Gustin as Barry Allen/The Flash/Savitar/Green Arrow
 * Candice Patton as Iris West-Allen
 * Danielle Panabaker as Dr. Caitlin Snow/Killer Frost
 * Carlos Valdes as Cisco Ramon/Vibe
 * Hartley Sawyer as Ralph Dibny/Elongated Man
 * Danielle Nicolet as District Attorney Cecille Horton
 * Jessica Parker Kennedy as Nora West-Allen/XS
 * Chris Klein as Orlin Dwyer/Cicada
 * Tom Cavanagh as Harrison Sherloque Wells, Professor Eobard Thawne/Reverse Flash, Harrison Wolfgang Wells and Dr. Harrison "Harry" Wells
 * Jesse L. Martin as Detective Joe West

Recurring cast

 * Keiynan Lonsdale as Wally West/Kid Flash
 * Patrick Sabongui as Captain David Singh
 * Susan Walters as Dr. Carla Tannhauser
 * Kyle Secor as Dr. Thomas Snow/Icicle
 * Islie Hirvonen as Grace Gibbons
 * Lossen Chambers as Dr. Ambres
 * Reina Hardesty as Joslyn Jackam/Weather Witch
 * Liam McIntyre as Mark Mardon/Weather Wizard

Confirmed plot points

 * One of the themes for this season is family. Another theme for the season is "legacy".
 * A possible episode in the second half of the season will feature both Grodd and King Shark.
 * There will be a few new versions of Wells.
 * Cisco and Ralph's friendship will be explored.
 * Jesse Wells and Jay Garrick may return.