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.
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see all options Availability data: JustWatch
- Seasons
- 9
- Episodes aired
- 184
- Latest aired
- S09E13
- Total runtime
- 5d 8h
Timeline when each season aired
- Season 1 October 2014 – May 2015 23 episodes
- Season 2 October 2015 – May 2016 23 episodes
- Season 3 October 2016 – May 2017 23 episodes
- Season 4 October 2017 – May 2018 23 episodes
- Season 5 October 2018 – May 2019 22 episodes
- Season 6 October 2019 – May 2020 19 episodes
- Season 7 March 2021 – July 2021 18 episodes
- Season 8 November 2021 – June 2022 20 episodes
- Season 9 February 2023 – May 2023 13 episodes
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S05E01 Nora
October 9 · 42min find the promo
Show synopsis
After an unexpected guest from the future, Nora West-Allen, appears at their home, Barry and Iris must figure out how to get her back to the future without disrupting the timeline…even more than she already has. Team Flash must work together to send Nora back, while simultaneously fighting off another villainous meta.
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S05E02 Blocked
October 16 · 42min find the promo
Show synopsis
As Barry helps his daughter, Nora, become a better speedster, he and Team Flash also track down a meta stealing high-tech weapons, only to cross paths with a new foe named Cicada, who is hunting the very same meta with nefarious intent.
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S05E03 The Death of Vibe
October 23 · 42min find the promo
Show synopsis
After Cicada's attack on The Flash, the team realizes they need to think outside the box to stop this dangerous new foe. Desperate to help her parents, Nora comes up with a plan that ultimately puts a member of Team Flash in danger. Meanwhile, Caitlin delves into her past.
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S05E04 News Flash
October 30 · 41min find the promo
Show synopsis
Barry and Iris face the ultimate parenting test when Team Flash battles Spin, a savvy millennial armed with meta tech, and a dangerous agenda for their daughter, Nora. Ralph is feeling defeated until an unlikely source issues a challenge to help boost his confidence.
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S05E05 All Doll'd Up
November 13 · 42min find the promo
Show synopsis
Nora lets something slip about the future that devastates Iris. In an attempt to distract his wife, Barry asks Iris to team up to stop a new meta, Rag Doll. Meanwhile, Caitlin learns something about her father.
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S05E06 The Icicle Cometh
November 20 · 41min find the promo
Show synopsis
Caitlin, Barry and Cisco learn something new about Caitlin’s father. Meanwhile, Iris and Sherloque follow a clue about Cicada.
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S05E07 O Come, All Ye Thankful
November 27 · 42min find the promo
Show synopsis
While Nora grapples with unresolved anger over her father’s disappearance in the future, Barry and Team Flash must stop a powerful new meta, Weather Witch, from killing her own father, Weather Wizard.
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S05E08 What's Past Is Prologue
December 4 · 42min find the promo
Show synopsis
Barry and Team Flash come up with a plan to stop Cicada. However, the plan calls for Barry and Nora to travel back in time to gather some key necessities. However, Barry hesitates, concerned about his daughter seeing certain parts of his life. Meanwhile, Sherloque takes his concerns about Nora to Iris, and Caitlin turns up a key asset in the fight against Cicada.
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S05E09 Elseworlds (I)
December 9 · 42min find the promo
Show synopsis
When Barry Allen and Oliver Queen wake up one morning and realize they have swapped bodies with each other, the two set off to find out what disturbed the timeline to cause such a shift. However, things quickly go from bad to worse when they present their case to Team Flash and the gang doesn’t believe them. Barry and Oliver realize they need Supergirl’s help and travel to Smallville on Earth-38 where they end up meeting Kara’s cousin, Clark Kent, and intrepid reporter, Lois Lane. The crossover continues on Arrow S07E09 Elseworlds (II) and Supergirl S04E09 Elseworlds (III).
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S05E10 The Flash & The Furious
January 15 · 42min find the promo
Show synopsis
While Nora grapples with the revelation that Thawne killed her grandmother, Team Flash must stop the formidable team-up of a newly sprung from jail Weather Witch and Silver Ghost, a new meta-tech villain who can control engines and motorized technology. Meanwhile, Caitlin and Cisco discuss creating a meta-human cure.
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S05E11 Seeing Red
January 22 · 42min find the promo
Show synopsis
During a battle with Cicada, Nora is severely injured. Due to Cicada's dampening powers, Nora's speed healing isn't working, leaving Barry and Iris scared for their daughter's future. Upset about his injured child, The Flash is filled with rage and confronts Cicada in a brutal battle. Meanwhile, Killer Frost keeps interfering with Caitlin's work on the cure.
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S05E12 Memorabilia
January 29 · 42min find the promo
Show synopsis
When Sherloque wants to use a memory machine on Barry and Nora to help gain access to Grace's memories, Nora panics, fearing her parents will find out the secrets she's been keeping from them. Nora secretly decides to use the machine on her own which ends in disaster after she gets trapped inside Grace's mind. Barry and Iris go in after their daughter and Iris is brokenhearted by what she finds. Meanwhile, Ralph tricks Cisco into going out for a night out on the town.
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S05E13 Goldfaced
February 5 · 42min find the promo
Show synopsis
Barry and Ralph must go undercover as criminals in an illegal black market to purchase a device that could help them stop Cicada. Once inside, Barry and Ralph find their morality tested as they slip deeper into the criminal world, eventually having to choose between committing a crime, or losing the means to defeat one of their greatest foes. Meanwhile, Iris investigates a lead on Cicada's whereabouts and ends up in a dangerous situation.
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S05E14 Cause and XS
February 12 · 42min find the promo
Show synopsis
After Iris lands in serious danger, Nora races to save her mother. Barry puts the finishing touches on the metahuman cure, leaving Cisco with a rare night off so he decides to take Kamilla on a date.
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S05E15 King Shark vs. Gorilla Grodd
March 5 · 41min find the promo
Show synopsis
When Gorilla Grodd attacks Central City, Barry and Team Flash find themselves teaming up with an unexpected ally to defeat – King Shark. However, when they hit a snag, they bring in Dr. Tanya Lamden to try to reach the man behind the shark, Shay Lamden.
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S05E16 Failure Is an Orphan
March 12 · 42min find the promo
Show synopsis
With the meta-human cure ready to use, Barry and Team Flash must figure out a way to subdue Cicada long enough to take it. Killer Frost steps in to help with the plan. Meanwhile, Joe eases back into work, and Nora isn’t happy about the way her dad plans to stop Cicada.
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S05E17 Time Bomb
March 19 · 42min find the promo
Show synopsis
Team Flash finds out that a suburban mom named Vickie Bolen is in danger and they race to save her. Upon meeting her, they discover she’s a meta-human who is hiding her abilities from her family. Barry encourages Vickie to share her secret with her family, which makes Nora realize she needs to come clean with her parents about Thawne.
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S05E18 Godspeed
April 16 · 42min find the promo
Show synopsis
After discovering that Nora is working with Thawne, Barry and Iris disagree about how to handle their daughter in the wake of this shocking news. Team Flash isn't sure they can trust Nora, so they go through her journal to find out exactly how she came to work alongside their greatest nemesis.
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S05E19 Snow Pack
April 23 · 41min find the promo
Show synopsis
When Icicle returns to enact the next phase of his devious plan, Caitlin and her mother, Dr. Carla Tannhauser, must resolve their long-combative relationship to defeat the icy monster. After Barry makes a big decision about their family without consulting her, Iris decides to take matters into her own hands.
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S05E20 Gone Rogue
April 30 · 42min find the promo
Show synopsis
Barry continues to struggle with how he feels about Nora's betrayal. Brie Larvan, Joss Jackam and Peter Merkel return to Central City. Meanwhile, Cisco makes a bold decision.
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S05E21 The Girl With The Red Lightning
May 7 · 42min find the promo
Show synopsis
Team Flash is on high alert after Cicada II threatens to unleash a dangerous virus that would put all meta-humans at risk.
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S05E22 Legacy
May 14 · 42min find the promo
Show synopsis
Barry faces off with his oldest, and most formidable nemesis, Reverse Flash.