The Flash

10 Best Episodes of The Flash - Season 6

The Flash, a popular superhero TV show, has captured the hearts of millions of viewers since its premiere in 2014 on The CW. With 11 seasons to date, fans have been treated to a plethora of thrilling and action-packed episodes, leaving them at the edge of their seats. In this article, we will be taking a look at the best episodes of The Flash, ranked by viewers.

The show follows Barry Allen, a CSI Investigator who gains the power of super speed after being struck by lightning during a freak storm caused by a particle accelerator. As he partners with S.T.A.R. Labs to protect Central City from other meta-humans who use their powers for evil, Barry's story has captured the attention of viewers worldwide. From the first episode to the latest, The Flash has kept fans on the edge of their seats with its gripping plotlines, iconic characters, and stunning action scenes.

As fans eagerly await the next season, we have compiled a list of the top episodes of The Flash ranked by viewers. These episodes will take you on a journey through the show's most memorable moments, from epic battles to heart-warming scenes that showcase the strength of Barry's relationships with his friends and family. So sit back, grab your popcorn and get ready to relive some of the most unforgettable moments in The Flash history.

Written by Sophie and last updated on jun 26, 2023.

PS: The following content contains spoilers!

PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!

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The Flash - S6E18

#15 - Pay the Piper (Season 6 - Episode 18)

When Godspeed returns, Barry turns to Hartley Rathaway for help. However, things get tense quickly after Barry realizes one of the changes from Crisis is that The Flash and Pied Piper are now enemies. Meanwhile, Iris tries to escape the Mirrorverse.

The episode was rated 7.39 from 1215 votes.

The Flash - S6E12

#14 - A Girl Named Sue (Season 6 - Episode 12)

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After months of searching for Sue Dearbon, Ralph gets a lead on her whereabouts and finally comes face to face with his missing client. However, Sue refuses to return home to her family, and instead, takes Ralph on a daring adventure. Iris faces a new challenge while Barry considers a potentially dangerous request from a trusted source.

The episode was rated 7.40 from 1342 votes.

The Flash - S6E10

#13 - Marathon (Season 6 - Episode 10)

After "The Citizen" prints an explosive story, Iris' life is threatened; refusing to hide from her attackers, Iris sets out to expose a dangerous organization; Barry must face the consequences of the Crisis and fulfill Oliver Queen's wish for him.

The episode was rated 7.44 from 1443 votes.

The Flash - S6E6

#12 - License to Elongate (Season 6 - Episode 6)

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Barry turns his attention to prepping Elongated Man for life after Crisis and without The Flash, but Ralph ultimately teaches Barry a lesson. Meanwhile, Cecile faces her own moment of self-discovery while helping a recuperated Chester P. Runk reclaim his identity.

The episode was rated 7.47 from 1552 votes.

The Flash - S6E4

#11 - There Will Be Blood (Season 6 - Episode 4)

Barry's efforts to prepare Cisco for Crisis are derailed when Cisco schemes to save Barry's life instead. Meanwhile, Ramsey Rosso uses his deadly new abilities to save his own life, while sacrificing his humanity in the process.

The episode was rated 7.50 from 1705 votes.

The Flash - S6E13

#10 - Grodd Friended Me (Season 6 - Episode 13)

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Feeling overwhelmed with all the changes since Crisis, Barry conducts an experiment that goes awry and puts him directly in Gorilla Grodd’s path. Expecting the worst, Barry is surprised when Grodd asks for his help. Unfortunately for both The Flash and Grodd, things get worse when another villain appears – Solovar. Meanwhile, Iris works with Eva to escape the Mirrorverse.

The episode was rated 7.50 from 1327 votes.

The Flash - S6E15

#9 - The Exorcism of Nash Wells (Season 6 - Episode 15)

The Flash takes on a dangerous new meta named Sunshine. Cisco sets out to help Nash

The episode was rated 7.51 from 1268 votes.

The Flash - S6E7

#8 - The Last Temptation of Barry Allen, Pt. 1 (Season 6 - Episode 7)

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As Barry Allen stands on the threshold of his impending death in Crisis, his convictions are tested when the monstrous Dr. Ramsey Rosso infects The Flash with a mysterious, hallucinogenic contagion. Meanwhile, reporter Iris West-Allen uncovers a vast conspiracy.

The episode was rated 7.52 from 1603 votes.

The Flash - S6E3

#7 - Dead Man Running (Season 6 - Episode 3)

Knowing that Crisis is only weeks away, Barry prepares a member of Team Flash for life without him while hunting a terrifying meta-human with an unquenchable thirst. Meanwhile, Ralph uncovers a family secret.

The episode was rated 7.54 from 1738 votes.

The Flash - S6E5

#6 - Kiss Kiss Breach Breach (Season 6 - Episode 5)

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Cisco's faith in his ability to fill Barry's shoes as Team Leader is upended when he learns of a shocking murder. Meanwhile, Killer Frost trusts no one except herself to hunt down the dangerous Ramsey Rosso.

The episode was rated 7.55 from 1635 votes.

The Flash - S6E1

#5 - Into The Void (Season 6 - Episode 1)

While Barry and Iris deal with the heartbreaking loss of their daughter, Nora, the team faces their greatest threat yet — one that threatens to destroy all of Central City. Meanwhile, Killer Frost has a brush with death that results in an unexpected new dynamic that will change her relationship with Caitlin forever.

The episode was rated 7.56 from 1940 votes.

The Flash - S6E14

#4 - Death of the Speed Force (Season 6 - Episode 14)

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Kid Flash returns to Central City with a Zen attitude and new tricks up his sleeve. While thrilled to see his family again, Wally confides to Barry that he returned because he thinks there is something wrong with the speed force. Meanwhile, Cisco returns from his fact-finding mission across Earth-Prime.

The episode was rated 7.56 from 1279 votes.

The Flash - S6E2

#3 - A Flash of the Lightning (Season 6 - Episode 2)

Faced with the news of his impending death, Barry's resiliency suffers as he struggles to fight fate. Meanwhile, Cecile's career as a D.A. conflicts with her identity when she crosses paths with a villainous meta-human.

The episode was rated 7.58 from 1796 votes.

The Flash - S6E8

#2 - The Last Temptation of Barry Allen, Pt. 2 (Season 6 - Episode 8)

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With The Flash freshly infected by the monstrous Bloodwork, Iris and Cisco battle to help Barry take control of himself before he’s lost forever to Ramsey’s influence. Meanwhile, the rest of Team Flash fight to reclaim control of Central City from Bloodwork’s growing army.

The episode was rated 7.58 from 1576 votes.

The Flash - S6E9

#1 - Crisis on Infinite Earths: Part Three (III) (Season 6 - Episode 9)

Pariah enlists Black Lightning to help stop the Anti-Monitor after Flash-90 shares what he learned from his battle in ‘Elseworlds.’ With the help of Black Lightning, Barry, Cisco and Killer Frost come up with a plan that could save them all. Meanwhile, Iris has a heart-to-heart with Ryan Choi, while Oliver and Diggle return to an old familiar stomping ground. The crossover starts on Supergirl S05E09 and Batwoman S01E09. It continues on Arrow S08E08 and Legends of Tomorrow S05E01.

The episode was rated 7.88 from 1754 votes.

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