Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
The Flash Season 6 Episodes
Season 6 Episode Guide
19 Episodes 2019 - 2020
Episode 1
Into the Void
Tue, Oct 8, 201942 mins
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.
Episode 2
A Flash of the Lightning
Tue, Oct 15, 201942 mins
Faced with the news of his impending death, Barry's resiliency suffers as he struggles to fight fate; Cecile's career as a D.A. conflicts with her identity when she crosses paths with a villainous meta-human.
Episode 3
Dead Man Running
Tue, Oct 22, 201942 mins
Barry prepares a member of Team Flash for life without him while hunting a terrifying meta-human with an unquenchable thirst; Ralph uncovers a family secret.
Episode 4
There Will Be Blood
Tue, Oct 29, 201942 mins
Barry's efforts to prepare Cisco for Crisis are derailed when Cisco schemes to save Barry's life instead; Ramsey Rosso uses his deadly new abilities to save his own life, while sacrificing his humanity in the process.
Episode 5
Kiss Kiss Breach Breach
Tue, Nov 5, 201942 mins
Cisco's faith in his ability to fill Barry's shoes as Team Leader is upended when he learns of a shocking murder; Killer Frost trusts no one except herself to hunt down the dangerous Ramsey Rosso.
Episode 6
License to Elongate
Tue, Nov 19, 201942 mins
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.
Episode 7
The Last Temptation of Barry Allen, Pt. 1
Tue, Nov 26, 201942 mins
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.
Episode 8
The Last Temptation of Barry Allen, Pt. 2
Tue, Dec 3, 201942 mins
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.
Episode 9
Crisis on Infinite Earths: Part Three
Tue, Dec 10, 201942 mins
Pariah enlists Black Lightning to help stop the Anti-Monitor after the Flash of Earth-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.
Episode 10
Marathon
Tue, Feb 4, 202042 mins
After The Citizen prints an explosive story, Iris's life is threatened. Refusing to hide from those that are attacking her, Iris sets out to expose a dangerous organization. Meanwhile, Barry must face the consequences of the Crisis and fulfill Oliver Queen's wish for him.
Episode 11
Love Is a Battlefield
Tue, Feb 11, 202042 mins
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.
Episode 12
A Girl Named Sue
Tue, Feb 18, 202042 mins
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.
Episode 13
Grodd Friended Me
Tue, Feb 25, 202042 mins
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 Solovar appears. Meanwhile, Iris works with Eva to escape the Mirrorverse.
Episode 14
Death of the Speed Force
Tue, Mar 10, 202042 mins
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.
Episode 15
The Exorcism of Nash Wells
Tue, Mar 17, 202042 mins
Eva sets Iris and her new mirror doppelganger to obtaining a vital piece of equipment for her. Meanwhile, a new Black Hole meta, Sunshine, strikes at Mercury Labs trying to get the same piece of equipment. Barry tries to cope with the limitation on his speed, and Eobard possesses Nash forcing Cisco and Cecile to perform an exorcism.
Episode 16
So Long and Goodnight
Tue, Apr 21, 202042 mins
Ralph convinces Cisco to help him track down Sue, while Carver sends an assassin after Joe and Cecile after Joe's investigation threatens Carver's reputation. Meanwhile, Barry deal with the newfound limitation on his speed, and Eva gives Mirror Iris a new mission.
Episode 17
Liberation
Tue, Apr 28, 202042 mins
Eva sends her mirror clones to make contact with another enemy of the Flash's so that she can return to the real world. Meanwhile, Barry is convinced that Mirror Iris is not his wife, but his test backfires, turning Nash and Cecile against him. Cisco and Ralph find that Caitlin's ice powers are going out of control.
Episode 18
Pay the Piper
Tue, May 5, 202041 mins
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.
Episode 19
Success Is Assured
Tue, May 12, 202042 mins
Eva prepares to take her final revenge against her ex-husband Carver. Barry tries to stop her, and he and Team Flash must help protect Carver from Eva and her squad of meta-powered assassins. Meanwhile, Ralph meets Sue's parents, and Frost prepares to go with Carla.
