The Flash poster

TV series

The Flash

2014TV-149 seasons7.8 / 10

The fastest man alive.

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.

Streaming, rental and purchase options

Where to watch in United States

Checked Jul 22, 2026

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Synopsis

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.

Season 5 episodes

Choose an episode, then use the watch options above for the show.

← Season 4

Episode 1

Nora

42m7.4 / 10

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.

Episode credits

Directed by David McWhirterWritten by Todd Helbing, Sam ChalsenGuest stars Keiynan Lonsdale, Melissa Bradsen, Devon Ferguson, Adrian Neblett, Russell Jung, Daniel Cudmore, Chris Klein, Patrick Sabongui

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Episode 2

Blocked

42m7.0 / 10

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.

Episode credits

Directed by C. Kim MilesWritten by Eric Wallace, Judalina NeiraGuest stars Matty Finochio, Erin Cummings, Evan Spergel, Otto Szabo, Dion Riley, Seth Ranaweera, Daniel Cudmore, Chris Klein

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Episode 3

The Death of Vibe

42m7.5 / 10

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.

Episode credits

Directed by Andi ArmaganianWritten by Jonathan Butler, Gabriel GarzaGuest stars Jayla Henderson, Chris Webb, Islie Hirvonen, Lossen Chambers, Chris Klein, Eduard Witzke, Susan Walters

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Episode 4

News Flash

41m7.3 / 10

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.

Episode credits

Directed by Brent CrowellWritten by Lauren Certo, Kelly WheelerGuest stars Kiana Madeira, Rob Compton, Derek Kwan, Andy Nez, Klarc Jerome Wilson, Chris Klein

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Episode 5

All Doll'd Up

42m6.5 / 10

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.

Episode credits

Directed by Phil ChiperaWritten by Thomas Pound, Sterling GatesGuest stars Judith Maxie, Phil LaMarr, Troy James, Patrick Dodd, Carlo Marks, Ashley Ross, Kyle Secor

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Episode 6

The Icicle Cometh

41m7.0 / 10

Caitlin, Barry and Cisco learn something new about Caitlin’s father. Meanwhile, Iris and Sherloque follow a clue about Cicada.

Episode credits

Directed by Chris PeppeWritten by Joshua V. Gilbert, Kristen KimGuest stars Cassandra Ebner, Alex Rose, Kathryn Marie Robinson, Lossen Chambers, Chris Klein, Kyle Secor

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Episode 7

O Come, All Ye Thankful

42m6.9 / 10

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.

Episode credits

Directed by Sarah BoydWritten by Jonathan Butler, Gabriel GarzaGuest stars Liam McIntyre, Reina Hardesty, Julianne Christie, Natalie Gibson, Leana Yu, Islie Hirvonen, Klarc Jerome Wilson, Lossen Chambers

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Episode 8

What's Past Is Prologue

42m8.3 / 10

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.

Episode credits

Directed by Tom CavanaghWritten by Todd Helbing, Lauren CertoGuest stars Tony Todd, LaMonica Garrett, John Wesley Shipp, Benita Ha, Troy Rudolph, Chad Rook, Islie Hirvonen, Lossen Chambers

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Episode 9

Elseworlds (I)

42m8.2 / 10mid season

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).

Episode credits

Directed by Kevin TancharoenWritten by Sam Chalsen, Eric WallaceGuest stars Jeremy Davies, Melissa Benoist, Tyler Hoechlin, Elizabeth Tulloch, John Wesley Shipp, LaMonica Garrett, Paul Lazenby, Angela Vanderwal

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Episode 10

The Flash & The Furious

42m6.5 / 10

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.

Episode credits

Directed by David McWhirterWritten by Sterling Gates, Kelly WheelerGuest stars Gabrielle Walsh, Charlene Amoia, Karyn Halpin, Reina Hardesty, Frank Brandies, Kheon Clarke, Braedon Cox, Terence Hayman

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Episode 11

Seeing Red

42m6.5 / 10

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.

Episode credits

Directed by Marcus StokesWritten by Thomas Pound, Judalina NeiraGuest stars Britne Oldford, Rochelle Okoye, Fabian Gujral, Jennifer Oleksiuk, Andre Tricoteux, Klarc Jerome Wilson, Lossen Chambers, Chris Klein

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Episode 12

Memorabilia

42m7.2 / 10

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.

Episode credits

Directed by Rebecca JohnsonWritten by Sam Chalsen, Kristen KimGuest stars Avionne Dean, Islie Hirvonen, Xander Hall, Karin Inghammar, Jesse Stretch, Klarc Jerome Wilson, Lossen Chambers, Robert Picardo

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Episode 13

Goldfaced

42m6.9 / 10

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.

Episode credits

Directed by Alexandra La RocheWritten by Jonathan Butler, Gabriel GarzaGuest stars Kimberly Williams-Paisley, Paul McGillion, Chad Bellamy, Andy Nez, Chris Klein, Neil Webb, Anthony Joseph, Damion Poitier

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Episode 14

Cause and XS

42m7.3 / 10

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.

Episode credits

Directed by Rachel TalalayWritten by Todd Helbing, Jeff HershGuest stars Lucy Harvey, Megan Helbing, Jerry Yang, Thomas Miller, Chris Klein, Victoria Park

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Episode 15

King Shark vs. Gorilla Grodd

41m7.1 / 10

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.

Episode credits

Directed by Stefan PleszczynskiWritten by Lauren Certo, Eric WallaceGuest stars Zibby Allen, Dan Payne, David Sobolov, Audrey Marie Anderson, David Hayter

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Episode 16

Failure Is an Orphan

42m7.1 / 10

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.

Episode credits

Directed by Viet NguyenWritten by Zack StentzGuest stars Sarah Carter, Lossen Chambers, John Gillich, Chris Klein

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Episode 17

Time Bomb

42m7.3 / 10

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.

Episode credits

Directed by Rob J. GreenleaWritten by Sterling Gates, Kristen KimGuest stars Catherine Lough Haggquist, Sarah Carter, Islie Hirvonen, Malia Baker, Michael Edwards, Stephanie Florian, Alexander Moonie, Jeff Sanca

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Episode 18

Godspeed

42m8.3 / 10

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.

Episode credits

Directed by Danielle PanabakerWritten by Judalina Neira, Kelly WheelerGuest stars Kathryn Gallagher, Kindall Charters, Everick Golding, BD Wong, Ese Atawo, Fraser Corbett, Garry Garneau, Robert Picardo

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Episode 19

Snow Pack

41m6.9 / 10

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.

Episode credits

Directed by Jeff CassidyWritten by Jonathan Butler, Gabriel GarzaGuest stars Sarah Carter, Everick Golding, Islie Hirvonen, Bruce Crawford, Kyle Secor, Susan Walters, Morena Baccarin

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Episode 20

Gone Rogue

42m7.1 / 10

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.

Episode credits

Directed by Kristin WindellWritten by Joshua V. Gilbert, Sam ChalsenGuest stars Emily Kinney, Reina Hardesty, Sarah Carter, Phil LaMarr, Troy James, Islie Hirvonen, Adam Bergquist, Randolf Morgan

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Episode 21

The Girl With The Red Lightning

42m7.1 / 10

Team Flash is on high alert after Cicada II threatens to unleash a dangerous virus that would put all meta-humans at risk.

Episode credits

Directed by Stefan PleszczynskiWritten by Thomas Pound, Judalina NeiraGuest stars Kimberly Williams-Paisley, Sarah Carter, Everick Golding, Brandon Bagg, Sonia Beeksma, Aliya Boulanger, Janet Glassford, Kareem Malcolm

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Episode 22

Legacy

42m8.2 / 10finale

Barry faces off with his oldest, and most formidable nemesis, Reverse Flash.

Episode credits

Directed by Gregory SmithWritten by Todd Helbing, Eric Wallace, Lauren CertoGuest stars Sarah Carter, Everick Golding, Islie Hirvonen, Chris Klein, Victoria Park, Patrick Sabongui

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Episode information updated Jul 24, 2026

More about The Flash

Cast

Grant GustinBarry Allen / The Flash
Danielle PanabakerDr. Caitlin Snow / Killer Frost
Danielle NicoletCecile Horton
Candice PattonIris West-Allen
Hartley SawyerRalph Dibny / Elongated Man
Brandon McKnightChester P. Runk
Jesse L. MartinJoe West
Tom FeltonDr. Julian Albert

Credits

Created by
Geoff Johns, Greg Berlanti, Andrew Kreisberg

Production details

Status
Ended
Series type
Scripted
Episodes
184
Original language
English

Networks & production

  • The CWUnited States
  • Warner Bros. TelevisionUnited States
  • Berlanti ProductionsUnited States
  • DC EntertainmentUnited States
  • DCUnited States

Themes

based on comicmasked superherospeedsuper powersuperherosupervillain