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The Best Episodes of The Flash Season 6

Every episode of The Flash Season 6 ranked from best to worst. Discover the Best Episodes of The Flash Season 6!

After being struck by lightning, CSI investigator Barry Allen awakens from a nine-month coma to discover he has been granted the gift of super speed. Teaming up with S.T.A.R. Labs, Barry takes on the persona of The Flash, the Fastest Man Alive, to protect his city.

Genres:DramaSci-Fi & Fantasy
Network:The CW

Season 6 Ratings Summary

The best episode of "The Flash" season 6 is "Into The Void", rated 7.4/10 from 2680 user votes. It was directed by Gregory Smith and written by Eric Wallace, Kelly Wheeler. "Into The Void" aired on 10/8/2019 and is rated 0.3 point(s) higher than the second highest rated, "A Flash of the Lightning".

  • Into The Void
    7.4/10 2,680 votes

    #1 - Into The Void

    Season 6 Episode 1 - Aired 10/8/2019

    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.

    Director: Gregory Smith

    Writer: Eric Wallace, Kelly Wheeler

  • A Flash of the Lightning
    7.7/10 2,369 votes

    #2 - A Flash of the Lightning

    Season 6 Episode 2 - Aired 10/15/2019

    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.

    Director: Chris Peppe

    Writer: Jeff Hersh, Sam Chalsen

  • Dead Man Running
    7.3/10 2,190 votes

    #3 - Dead Man Running

    Season 6 Episode 3 - Aired 10/22/2019

    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.

    Director: Sarah Boyd

    Writer: Thomas Pound, Lauren Barnett

  • There Will Be Blood
    7.5/10 2,173 votes

    #4 - There Will Be Blood

    Season 6 Episode 4 - Aired 10/29/2019

    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.

    Director: Marcus Stokes

    Writer: Lauren Certo, Sterling Gates

  • Kiss Kiss Breach Breach
    7.3/10 2,139 votes

    #5 - Kiss Kiss Breach Breach

    Season 6 Episode 5 - Aired 11/5/2019

    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.

    Director: Menhaj Huda

    Writer: Joshua V. Gilbert, Kelly Wheeler

  • License to Elongate
    7.3/10 2,186 votes

    #6 - License to Elongate

    Season 6 Episode 6 - Aired 11/19/2019

    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.

    Director: Danielle Panabaker

    Writer: Jeff Hersh, Thomas Pound

  • The Last Temptation of Barry Allen (1)
    8.4/10 2,654 votes

    #7 - The Last Temptation of Barry Allen (1)

    Season 6 Episode 7 - Aired 11/26/2019

    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.

    Director: Chad Lowe

    Writer: Jonathan Butler, Gabriel Garza

  • The Last Temptation of Barry Allen (2)
    7.8/10 2,237 votes

    #8 - The Last Temptation of Barry Allen (2)

    Season 6 Episode 8 - Aired 12/3/2019

    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.

    Director: Michael Nankin

    Writer: Joshua V. Gilbert, Kristen Kim

  • Crisis on Infinite Earths: Part Three (III)
    8.8/10 3,575 votes

    #9 - Crisis on Infinite Earths: Part Three (III)

    Season 6 Episode 9 - Aired 12/10/2019

    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.

    Director: David McWhirter

    Writer: N/A

  • Marathon
    6.9/10 1,952 votes

    #10 - Marathon

    Season 6 Episode 10 - Aired 2/4/2020

    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.

    Director: Stefan Pleszczynski

    Writer: Sam Chalsen, Lauren Barnett

  • Love Is a Battlefield
    4.9/10 2,449 votes

    #11 - Love Is a Battlefield

    Season 6 Episode 11 - Aired 2/11/2020

    Barry and Iris plan a romantic dinner for Valentine's Day but their evening is interrupted by an old foe - Amunet; Frost gets into the holiday spirit and attempts to help Allegra reconnect with an old love.

    Director: Sudz Sutherland

    Writer: Jeff Hersh, Kelly Wheeler

  • A Girl Named Sue
    7.0/10 1,867 votes

    #12 - A Girl Named Sue

    Season 6 Episode 12 - Aired 2/18/2020

    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.

    Director: Chris Peppe

    Writer: Lauren Certo, Thomas Pound

  • Grodd Friended Me
    7.5/10 1,867 votes

    #13 - Grodd Friended Me

    Season 6 Episode 13 - Aired 2/25/2020

    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.

    Director: Stefan Pleszczynski

    Writer: Joshua V. Gilbert, Kristen Kim

  • Death of the Speed Force
    7.8/10 1,898 votes

    #14 - Death of the Speed Force

    Season 6 Episode 14 - Aired 3/10/2020

    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.

    Director: Brent Crowell

    Writer: Sam Chalsen, Emily Palizzi

  • The Exorcism of Nash Wells
    7.6/10 1,767 votes

    #15 - The Exorcism of Nash Wells

    Season 6 Episode 15 - Aired 3/17/2020

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

    Director: Eric Dean Seaton

    Writer: Sterling Gates, Lauren Barnett

  • So Long and Goodnight
    6.6/10 1,799 votes

    #16 - So Long and Goodnight

    Season 6 Episode 16 - Aired 4/21/2020

    After Black Hole hires Rag Doll to kill Joe, Singh suggests he go into Witness Protection but Joe refuses to stop investigating Carver. While investigating Carver with Cisco, Ralph runs into Sue. Iris becomes suspicious of Eva.

    Director: Alexandra La Roche

    Writer: Thomas Pound, Kristen Kim

  • Liberation
    7.5/10 1,813 votes

    #17 - Liberation

    Season 6 Episode 17 - Aired 4/28/2020

    After recent events, Barry takes a closer look at his life with Iris. Eva makes a bold move.

    Director: Jeffrey W. Byrd

    Writer: Jonathan Butler, Gabriel Garza

  • Pay the Piper
    7.1/10 1,726 votes

    #18 - Pay the Piper

    Season 6 Episode 18 - Aired 5/5/2020

    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.

    Director: Amanda Tapping

    Writer: Jess Carson

  • Success Is Assured
    6.6/10 1,906 votes

    #19 - Success Is Assured

    Season 6 Episode 19 - Aired 5/12/2020

    Barry considers a risky plan to save Iris from the Mirrorverse. Ralph attempts to stop Sue from making a grave mistake that could destroy her life.

    Director: Phil Chipera

    Writer: Kelly Wheeler, Lauren Barnett