When an unexpected accident at the S.T.A.R. Labs Particle Accelerator facility strikes Barry, he finds himself suddenly charged with the incredible power to move at super speeds. While Barry has always been a hero in his soul, his newfound powers have finally given him the ability to act like one. With the help of the research team at S.T.A.R. Labs, Barry begins testing the limits of his evolving powers and using them to stop crime. With a winning personality and a smile on his face, Barry Allen — aka The Flash — is finally moving forward in life … very, very fast!
All episodes — Season 1
S1 E1Pilot
Oct 7, 20146.944 min
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.
S1 E2Fastest Man Alive
Oct 14, 20146.941 min
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."
S1 E3Things You Can't Outrun
Oct 21, 20147.141 min
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
S1 E4Going Rogue
Oct 28, 20147.341 min
The Flash battles Captain Cold after the villain is involved in a robbery and plots to steal the Kahndaq Dynasty Diamond.
S1 E5Plastique
Nov 11, 20147.341 min
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.
S1 E6The Flash is Born
Nov 18, 20147.441 min
The Flash faces a new meta-human named Tony, who can turn himself into girded steel at will.
S1 E7Power Outage
Nov 25, 20147.541 min
The Flash goes up against Farooq aka Blackout, a metahuman who can harness electricity.
S1 E8Flash vs. Arrow (I)
Dec 2, 20147.941 min
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.
S1 E9The Man in the Yellow Suit
Dec 9, 20148.142 min
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.
S1 E10Revenge of the Rogues
Jan 20, 20157.341 min
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.
S1 E11The Sound and the Fury
Jan 27, 20157.241 min
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
S1 E12Crazy for You
Feb 3, 20157.441 min
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 fo
S1 E13The Nuclear Man
Feb 10, 20157.441 min
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.
S1 E14Fallout
Feb 17, 20157.841 min
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 Mart
S1 E15Out of Time
Mar 17, 20158.340 min
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.
S1 E16Rogue Time
Mar 24, 20157.241 min
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.
S1 E17Tricksters
Mar 31, 2015841 min
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.
S1 E18All Star Team Up
Apr 14, 20157.641 min
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.
S1 E19Who Is Harrison Wells?
Apr 21, 20158.141 min
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 w
S1 E20The Trap
Apr 28, 20158.241 min
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.
S1 E21Grodd Lives
May 5, 20157.541 min
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. Meanwhi
S1 E22Rogue Air
May 12, 20158.241 min
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
S1 E23Fast Enough
May 19, 20158.444 min
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.