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Season 9 – The Flash

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2023

Drama

Action

Adventure

Fantasy

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Popcornmeter

60%

Tomatometer

5 Reviews

37%

Popcornmeter

250+ Ratings

At 11, Barry Allen's life changed completely when his mother died in a freak accident and his innocent father was convicted of her murder. Now a crime-scene investigator, his dedication to learn the truth about his mother's death drives him to follow up on every new scientific advancement and urban legend. When his latest obsession -- a particle accelerator heralded as a world-changing invention -- causes an explosion, it creates a freak storm and Barry is struck by lightning. He awakes from a coma nine months later with the power of superspeed. When he learns that others who have gained powers use them for evil, he dedicates himself to protecting the innocent, while still trying to solve the older mystery.

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Brian Lowry

CNN.com

The Flash was nicely sentimental in that way, never more so than in its recurring use of Shipp and nods to comics history.

May 25, 2023

Full Review

Monita Roy Mohan

Reactor

The final season of The Flash broke my heart. It wasn’t good; a couple of episodes shone through, as did several of the returning guest stars, but as a whole, “The Final Run” was a disjointed, incoherent mess.

Jul 24, 2025

Full Review

Jeff Beck

The Blu Spot

This was their chance to send Flash off with a bang, but what we get instead is a very odd season that starts off well, and then kind of sputters along for the majority of the remaining episodes.

Rated: 3/5

Aug 28, 2023

Full Review

Tatiana Hullender

Screen Rant

The truncated final season of The Flash stumbled after a strong start, but Grant Gustin's last run as Barry Allen still manages to be a sweet homage.

May 25, 2023

Full Review

Sam Stone

CBR

The Flash is back for its ninth and final season with its strongest episode in years, leaning into outright fun.

Feb 11, 2023

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Kai N

Perfect performance ability to move and send to the ending crazy the emotion one if the best show by far

Rated 5 out of 5 stars

01/18/25

Full Review

Audience Member

Vraiment la saison inutile où on gâche le potentiel énorme de Red Death en un pseudo perso "Gngn je me venge de Flash avec ma propre armure et vitesse" pour l'expédier en 4 épisodes et le reste... on le comble avec du vide

Rated 1 out of 5 stars

12/01/24

Full Review

Felicia K

Show literally fell off. Season 1 and 2 are the only good ones.

Rated 0.5 out of 5 stars

11/30/24

Full Review

Julian U

The worst ever series final I have ever witnessed. Let's start off with how random each thing is. Every episode is completely ripped out from nowhere. The characters suddenly are mad overpowered but we never wotness a proper characters evolution. Khione is suddenly a fkin goddess and as fast as she appears she disappeared... Cecile can fkin fly now??? And what was that god-awful final fight. Thawne just unites all speedsters but the heroes just defeat them one by one in a matter of seconds like it's nothing... it was ridiculous. They rushes thru the plot just to get it across totally leaving out any form of love towards the 10 years the show had been running. The end was even more random. The whole thing had so much potential but they used none. They effectively ruined like most of the shows legacy by shoving a bunch of plotlines together and butchering details. I could go on for hours about it but honestly it's no use. I am very sad and disappointed they ruined this awesome show like that

Rated 0.5 out of 5 stars

07/08/24

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Natalia D

An excellent ending for an excellent series.

Rated 5 out of 5 stars

03/06/24

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Jonatas A

Vocês vão amar A série foi ótima apenas um episódio ruim o enredo muito bom a melhor série de quadrinhos do flash já feita parabéns ao os atores diretores parabéns até aproxima flash 👏👏👏

Rated 5 out of 5 stars

02/22/24

Full Review

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Grant Gustin

Barry Allen

Candice Patton

Iris West

Danielle Panabaker

Caitlin Snow

Danielle Nicolet

Cecile

Kayla Compton

Allegra Garcia

Brandon McKnight

Chester P. Runk

Episode 1

Aired Feb 8, 2023

Wednesday Ever After

Barry and Iris relive the same day over and over again; Joe has a heart-to-heart with Cecile; friends and foes, old and new, begin to descend upon Central City.

Details

Episode 2

Aired Feb 15, 2023

Hear No Evil

Barry feels guilty for what happened to Caitlin; Mark comes up with a plan that makes everyone skeptical; Red Death looms in Central City and commands that failure is not an option; old friends pay an unexpected visit to S.T.A.R. Labs.

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Episode 3

Aired Feb 22, 2023

Rogues of War

Barry and Iris start to put together the pieces of what's happening in Central City and believe they know what the Rogues are after; the team recruits some unlikely allies to help; Allegra does her best to avoid having a conversation with Chester.

Details

Episode 4

Aired Mar 1, 2023

The Mask of the Red Death, Part One

The Flash is forced to make an impossible choice; with the power out in the city, Team Flash calls upon the Rogue Squad to help; Iris is visited by an old friend; Joe and Cecile work on finding a balance.

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Episode 5

Aired Mar 8, 2023

The Mask of the Red Death, Part Two

As the Red Death wreaks havoc on Central City, Barry and Iris come up with a plan and turn to Cecile for help; Barry is faced with what he thinks was his greatest mistake; Joe gives Barry a needed pep talk.

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Episode 6

Aired Mar 15, 2023

The Good, the Bad and the Lucky

Barry and Iris prepare for their new life; Cecile takes on a case involving a string of unfortunate and highly unexpected events; Chester and the team work with Khione to figure out her abilities.

Details

Episode 7

Aired Mar 29, 2023

Wildest Dreams

Iris and Nia fall into a fever dream and explore different possibilities for their lives; Barry, Chester, Allegra and Cecile desperately try to help them; Khione feels that Mark is trying to make her something she is not.

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Episode 8

Aired Apr 5, 2023

Partners in Time

A seemingly simple mold inspection at S.T.A.R. Labs leads to unexpected time anomalies; Chester admits a secret to Allegra, which makes things awkward between the two; Khione meets with an old friend of Team Flash.

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Episode 9

Aired Apr 26, 2023

It's My Party and I'll Die If I Want To

Team Flash throws a surprise birthday party for Barry, but things go terribly awry when Ramsey Rosso crashes the festivities.

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Episode 10

Aired May 3, 2023

A New World

As Iris receives word of a career milestone, Barry is suddenly nowhere to be found; Barry runs across many familiar faces; Khione continues to figure out her powers; Chester works on a suit for Allegra.

Details

Episode 11

Aired May 10, 2023

A New World, Part Two

Iris is alarmed by Barry's disappearance and Cecile assures her everything will be OK; Team Flash is affected by a mysterious substance; Khione develops a better understanding of what she can and cannot control.

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Episode 12

Aired May 17, 2023

A New World, Part Three

Team Flash works together to figure out how to protect Barry, all while being very careful who they trust; Cecile is skeptical of the plan after an unsuccessful attempt; Khione's confidence in Chester enables him to convince Cecile to try again.

Details

Episode 13

Aired May 24, 2023

A New World, Part Four

The Flash, the fastest man alive, is tasked with his greatest challenge yet -- to save the timeline and save existence; friends old and new gather for an epic battle to save Central City, one last time.

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