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The Flash Season 1

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Here's where to watch every episode of The Flash season 1. Mouseover or tap an episode to see where to stream it. Click or tap the play icon to stream it on the best available service.
Season 01, Episode 01 City of Heroes

S01 E01

Oct 8, 2014
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City of Heroes Oct 8, 2014 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.

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Season 01, Episode 02 Fastest Man Alive

S01 E02

Oct 15, 2014
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Fastest Man Alive Oct 15, 2014 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."

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Season 01, Episode 03 Things You Can't Outrun

S01 E03

Oct 22, 2014
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Things You Can't Outrun Oct 22, 2014 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.

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Season 01, Episode 04 Going Rogue

S01 E04

Oct 29, 2014
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Going Rogue Oct 29, 2014 The Flash battles Captain Cold after the villain is involved in a robbery and plots to steal the Kahndaq Dynasty Diamond.

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Season 01, Episode 05 Plastique

S01 E05

Nov 12, 2014
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Plastique Nov 12, 2014 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.

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Season 01, Episode 06 The Flash is Born

S01 E06

Nov 19, 2014
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The Flash is Born Nov 19, 2014 The Flash faces a new meta-human named Tony, who can turn himself into girded steel at will.

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Season 01, Episode 07 Power Outage

S01 E07

Nov 26, 2014
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Power Outage Nov 26, 2014 The Flash goes up against Farooq aka Blackout, a metahuman who can harness electricity.

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Season 01, Episode 08 Flash vs. Arrow

S01 E08

Dec 3, 2014
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Flash vs. Arrow Dec 3, 2014 Barry is thrilled when Oliver, Felicity and Diggle come to Central City to investigate a case involving a deadly boomerang.

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Season 01, Episode 09 The Man in the Yellow Suit

S01 E09

Dec 10, 2014
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The Man in the Yellow Suit Dec 10, 2014 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.

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Season 01, Episode 10 Revenge of the Rogues

S01 E10

Jan 21, 2015
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Revenge of the Rogues Jan 21, 2015 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.

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Season 01, Episode 11 The Sound and the Fury

S01 E11

Jan 28, 2015
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The Sound and the Fury Jan 28, 2015 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.

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Season 01, Episode 12 Crazy for You

S01 E12

Feb 4, 2015
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Crazy for You Feb 4, 2015 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.

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Season 01, Episode 13 The Nuclear Man

S01 E13

Feb 11, 2015
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The Nuclear Man Feb 11, 2015 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.

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Season 01, Episode 14 Fallout

S01 E14

Feb 18, 2015
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Fallout Feb 18, 2015 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.

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Season 01, Episode 15 Out of Time

S01 E15

Mar 18, 2015
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Out of Time Mar 18, 2015 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.

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Season 01, Episode 16 Rogue Time

S01 E16

Mar 25, 2015
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Rogue Time Mar 25, 2015 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.

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Season 01, Episode 17 Tricksters

S01 E17

Apr 1, 2015
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Tricksters Apr 1, 2015 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.

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Season 01, Episode 18 All-Star Team Up

S01 E18

Apr 15, 2015
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All-Star Team Up Apr 15, 2015 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.

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Season 01, Episode 19 Who Is Harrison Wells?

S01 E19

Apr 22, 2015
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Who Is Harrison Wells? Apr 22, 2015 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.

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Season 01, Episode 20 The Trap

S01 E20

Apr 29, 2015
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The Trap Apr 29, 2015 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.

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Season 01, Episode 21 Grodd Lives

S01 E21

May 6, 2015
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Grodd Lives May 6, 2015 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.

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Season 01, Episode 22 Rogue Air

S01 E22

May 13, 2015
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Rogue Air May 13, 2015 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.

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Season 01, Episode 23 Fast Enough

S01 E23

May 20, 2015
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Fast Enough May 20, 2015 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.

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