TV series
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
Checked Sep 1, 2026
The Flash is available to stream on Netflix and YouTube TV in United States. You can also buy it from Amazon and Fandango at Home. Use the direct links below to open the provider.
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.
Choose an episode, then use the watch options above for the show.
Episode 1
Barry discovers his powers and puts them to the test, only when he finds its no longer a test but the real thing when he encounters a certain someone.
Directed by David NutterWritten by Geoff Johns, Andrew Kreisberg, Geoff Johns, Greg Berlanti, Andrew KreisbergGuest stars Marc Gaudet, Jennifer Kitchen, Matthew Robert Kelly, Troy Rudolph, Brendon Zub, Al Sapienza, Logan Williams, Fulvio Cecere
Episode 2
Barry changes into the Flash when six gunmen storm a university event honoring a scientist, but his heroics don't match up to his expectations. Meanwhile, Iris becomes even more intrigued by the "red streak."
Directed by David NutterWritten by Andrew Kreisberg, Geoff Johns, Greg Berlanti, Andrew KreisbergGuest stars Ronald Patrick Thompson, Seth Whittaker, Suzanne Ristic, William Sadler, Michasha Armstrong, Evelyn Chew, Emily Delahunty, Patrick Roccas
Episode 3
Barry and the team go after the Mist, who possesses toxic gas powers, and they reflect on the night Caitlin's fiancé died. Meanwhile, Henry gets a long-awaited visit from Joe, and Iris and Eddie continue to keep their romance a secret from Joe.
Directed by Jesse WarnWritten by Alison Schapker, Grainne GodfreeGuest stars Christoff Lundgren, Jana Mitsoula, Natalie Goyarzu, Chris Eastman, Michael Benyaer, Michael Karl Richards, Anthony Carrigan, Philip Cabrita
Episode 4
The Flash battles Captain Cold after the villain is involved in a robbery and plots to steal the Kahndaq Dynasty Diamond.
Directed by Glen WinterWritten by Kai Yu Wu, Geoff JohnsGuest stars Reese Alexander, Emily Bett Rickards, Jesse Reid, Bruce Harwood, Lucas Wolf, Wentworth Miller, Christopher Rosamond, Paul Belsito
Episode 5
After a bomb explodes downtown, the army rolls in and takes over. When Joe learns Iris is writing about 'The Streak' and tries unsuccessfully to have the story stopped, Barry decides to have The Flash pay her a visit.
Directed by Dermott DownsWritten by Todd Helbing, Brooke Roberts, Aaron HelbingGuest stars Jan Bos, Kelly Frye, Clancy Brown, Mike Mitchell, Fulvio Cecere, Patrick Sabongui
Episode 6
The Flash faces a new meta-human named Tony, who can turn himself into girded steel at will.
Directed by Millicent SheltonWritten by Jaime Paglia, Chris RaffertyGuest stars Austin Dunn, Daniel Mallinson, Amina Elkatib, Greg Finley, Lauren Denham, Travis MacDonald, Logan Williams, Patrick Sabongui
Episode 7
The Flash goes up against Farooq aka Blackout, a metahuman who can harness electricity.
Directed by Larry ShawWritten by Alison Schapker, Grainne GodfreeGuest stars Robert Knepper, Casey Dubois, Alex Barima, Michael Reventar, Greg Finley, Steve Baran, Jacky Lai, Chantele Francis
Episode 8
Barry is thrilled when Oliver, Felicity and Diggle come to Central City to investigate a case involving a deadly boomerang. The crossover continues on Arrow S03E08 The Brave and the Bold.
Directed by Glen WinterWritten by Andrew Kreisberg, Greg Berlanti, Brooke Roberts, Ben SokolowskiGuest stars Emily Bett Rickards, Sharon Bell, Paul Anthony, Michelle Choi-Lee, Peter New, Roman Blomme, Trevor Carroll, Jason William Day
Episode 9
Barry enjoys the annual tradition of tree trimming and gift exchange with Joe and Iris. He gives Iris a touching gift, but the moment is interrupted by Eddie’s arrival.
Directed by Ralph HemeckerWritten by Todd Helbing, Aaron HelbingGuest stars Amanda Pays, Steve Baran, David Milchard, James Michalopolous, Dean Hinchey, Logan Williams, Robbie Amell, John Wesley Shipp
Episode 10
While Barry strives to become fast enough to defeat Reverse-Flash, Captain Cold returns to Central City with a partner and takes Caitlin hostage to force a confrontation with the Flash.
Directed by Nick CopusWritten by Kai Yu Wu, Geoff JohnsGuest stars Jana Mitsoula, Daniel Mallinson, Wentworth Miller, Dominic Purcell, Luc Roderique, Graeme Doyle, James Ralph, Lee Shorten
Episode 11
Dr. Wells' former protégé, Hartley Rathaway, returns to seek revenge on his mentor. Meanwhile, Iris is hired as a cub reporter; Cisco recalls his first day on the job at S.T.A.R. Labs; and Joe asks Eddie for a favor but asks him to keep it a secret from Barry.
Directed by John F. ShowalterWritten by Alison Schapker, Brooke RobertsGuest stars Roger Howarth, Tom Butler, Sarwan Badesha, Quynh Mi, Andy Mientus, Morena Baccarin
Episode 12
Caitlin takes Barry out to a local karaoke bar to help them both find new loves. Caitlin strikes out but Barry meets a sports reporter and asks her out for a date. Meanwhile, Cisco considers Hartley's dangerous offer; and the team search for Shawna, a meta-human with teleportation powers who just busted her boyfriend out of Iron Heights.
Directed by Rob HardyWritten by Todd Helbing, Aaron HelbingGuest stars Micah Joe Parker, Scott McNeil, Jerry Trimble, J. Douglas Stewart, Fraser Aitcheson, Doug Chapman, Will E. McDonald, Tristan Shire
Episode 13
While Barry, Harrison, and Caitlin hunt down Ronnie, who has attacked a man, Joe recruits Cisco to help him learn the truth about who murdered Nora Allen.
Directed by Glen WinterWritten by Katherine Walczak, Andrew KreisbergGuest stars Clancy Brown, Isabella Hofmann, Bill Dow, Chase Masterson, Paul Griggs, Herbert Duncanson, Logan Williams, Robbie Amell
Episode 14
Martin and Ronnie are separated, only to realize that they must learn how to rejoin before Eiling hunts them down and kills them... and the Flash. Meanwhile, Joe shows Barry the 3D images from the Nora Allen crime scene, and Barry asks Martin for advice on time travel.
Directed by Stephen SurjikWritten by Ben Sokolowski, Keto ShimizuGuest stars Clancy Brown, Roger Howarth, Isabella Hofmann, Herbert Duncanson, Scott Button, James Yi, Robbie Amell, David Sobolov
Episode 15
Mark Mardon, having survived his apparent death during the black-matter explosion, returns seeking revenge on Joe for the death of his brother Clyde... and has the same weather-manipulation powers as his deceased sibling.
Directed by Thor FreudenthalWritten by Todd Helbing, Aaron HelbingGuest stars Roger Howarth, Jenn MacLean-Angus, Fred Henderson, Jeremy Schuetze, Liam McIntyre, Melise, Naomi King, Chad Rook
Episode 16
The Flash learns that Captain Cold and Heat Wave have returned to Central City. This time Snart has brought along his baby sister Lisa to help wreak havoc on the city.
Directed by John BehringWritten by Brooke Roberts, Grainne Godfree, Kai Yu WuGuest stars Wentworth Miller, Dominic Purcell, Roger Howarth, Nicholas Gonzalez, Joey Aresco, Charlene Luedke, Alan Silverman, Fred Henderson
Episode 17
When a villain calling himself the Trickster runs rampant in Central City, Joe and Barry go to Iron Heights to talk with the original Trickster.
Directed by Ralph HemeckerWritten by Andrew KreisbergGuest stars Mark Hamill, Bre Blair, Devon Graye, Chris Cound, Arlo Hajdu, Anthony Harrison, Logan Williams, John Wesley Shipp
Episode 18
Felicity and Ray Palmer pay a visit to S.T.A.R. Labs for help getting Ray's ATOM suit to work, and ask Cisco for help. Meanwhile, a young tech expert raises havoc with her insect drones, and Barry asks Ray for help dealing with her.
Directed by Kevin TancharoenWritten by Kai Yu Wu, Grainne GodfreeGuest stars Emily Bett Rickards, Amanda Pays, Marlo Franson, Theresa Wong, Andrew Laurenson, Mathieu Lardier, Alessandro Miro, Kasey Kieler
Episode 19
Joe and Cisco go to Starling City to ask Quentin Lance for his help investigating the site of Harrison's car accident 15 years ago and determining what really happened. Meanwhile, Eddie is framed for a shooting by a shapeshifing metahuman who can take on the appearance of anyone he touches.
Directed by Wendey StanzlerWritten by Cortney Norris, Ray UtarnachittGuest stars Danielle Nicolet, Katie Cassidy, Atlin Mitchell, Martin Novotny, Barbara Wallace, Laiken Laverock, King Lau, Chris Webb
Episode 20
Barry, Caitlin, Cisco and Joe set a trap for Wells. Cisco uses himself as prey which puts him in grave danger. Meanwhile, Eddie makes a decision regarding Iris, which leaves Joe a bit unsettled.
Directed by Steve ShillWritten by Alison Schapker, Brooke RobertsGuest stars Martin Novotny, Jeremy Schuetze, Jessie Fraser, Roger Haskett, Peter Bryant, Patrick Sabongui, Morena Baccarin
Episode 21
While Barry tries to find Eddie, a mysterious mind-controlled thief launches attacks on Central City's gold reserves. The team soon discovers that a telepathic gorilla is behind the robberies... and is following Harrison's commands. Meanwhile, Iris confronts Barry, while Harrison prepares to return home.
Directed by Dermott DownsWritten by Kai Yu Wu, Grainne GodfreeGuest stars Clancy Brown, Jane Hancock, Jason McKinnon, David Sobolov, Patrick Sabongui
Episode 22
When Harrison activates the particle accelerator, the team has no choice but to evacuate the five metahuman prisoners. Unfortunately, with time running out, Barry has no choice but to turn to Captain Cold for help. Meanwhile, Eddie escapes but has some surprising news for Iris.
Directed by Douglas AarniokoskiWritten by Todd Helbing, Aaron HelbingGuest stars Danielle Nicolet, Anthony Carrigan, Wentworth Miller, Peyton List, Paul Anthony, Doug Jones, Robbie Amell, Liam McIntyre
Episode 23
Wells presents Barry with a life-changing choice. Dr. Martin Stein and Ronnie Raymond return to help the S.T.A.R. Labs team with this final fight.
Directed by Dermott DownsWritten by Andrew Kreisberg, Gabrielle Stanton, Greg Berlanti, Andrew KreisbergGuest stars Wentworth Miller, Logan Williams, Robbie Amell, John Wesley Shipp, Victor Garber, Matt Letscher, Michelle Harrison, Patrick Sabongui
Episode information updated Sep 19, 2026
Grant GustinBarry Allen / The Flash
Danielle PanabakerDr. Caitlin Snow
Danielle NicoletCecile Horton
Candice PattonIris West
Hartley SawyerRalph Dibny / Elongated Man
Brandon McKnightChester P. Runk
Jesse L. MartinJoe West
Tom FeltonDr. Julian Albert
The CWUnited States
Warner Bros. TelevisionUnited States
Berlanti ProductionsUnited States
DC EntertainmentUnited States
DCUnited States
