The Flash

Season 1 Episode Guide

Season 1
Season 2
Season 3

Season 1, Episode 1

October 7, 2014

Pilot

Season 1, Episode 1

October 7, 2014

Scientist Barry Allen acquires super speed through a freak accident and becomes known as the Fastest Man Alive. In the opener, Barry, a CSI investigator, is struck by lightning and awakens from a coma nine months later with the gift of super speed. Barry puts his new powers to work when another meta-human attacks the city.

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Season 1, Episode 2

October 14, 2014

Fastest Man Alive

Season 1, Episode 2

October 14, 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 1, Episode 3

October 21, 2014

Things You Can't Outrun

Season 1, Episode 3

October 21, 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 1, Episode 4

October 28, 2014

Going Rogue

Season 1, Episode 4

October 28, 2014

The Flash battles Captain Cold after the villain is involved in a robbery and plots to steal the Kahndaq Dynasty Diamond. The evil plans get a boost when the Captain gets his hands on a stolen "cold gun" that could kill the Flash.

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Season 1, Episode 5

November 11, 2014

Plastique

Season 1, Episode 5

November 11, 2014

A bomb explodes downtown and the army, led by General Eiling, comes in and takes over the investigation, much to Joe's dismay. Meanwhile, Wells informs the team that Eiling experimented on his men to turn them into super soldiers; and Joe tries to get Iris to stop writing about "the streak."

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Season 1, Episode 6

November 18, 2014

The Flash Is Born

Season 1, Episode 6

November 18, 2014

The Flash faces a new meta-human named Tony, who can turn himself into girded steel, but Cisco comes up with a plan to take Tony down. Meanwhile, Iris gets in trouble over her blog; Eddie witnesses Tony's abilities and asks questions that Joe doesn't want answered; and Joe asks Dr. Wells to help him solve Nora Allen's murder.

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Season 1, Episode 7

November 25, 2014

Power Outage

Season 1, Episode 7

November 25, 2014

The Flash battles Farooq (aka Blackout), a metahuman who can harness electricity. During their fight, Farooq siphons all of the Flash's electricity, which zaps him of his speed. Meanwhile, Tockman leads a coup inside the Central City police department and takes several people hostage, including Joe and Iris.

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Season 1, Episode 8

December 2, 2014

Flash vs. Arrow

Season 1, Episode 8

December 2, 2014

A crossover event that concludes on "Arrow" begins with Barry teaming with Oliver Queen to stop a meta-human who is using his ability to control people's emotions to rob banks. Meanwhile, Eddie tries to get a task force to stop the Flash; and Caitlin and Cisco deal with a new team in S.T.A.R. Labs.

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Season 1, Episode 9

December 9, 2014

The Man in the Yellow Suit

Season 1, Episode 9

December 9, 2014

Barry faces his nemesis Reverse Flash, who killed his mother, and plots with Wells and Cisco to trap him. Meanwhile, Eddie gives Iris a surprising gift at Christmas and leaves her with a question that could change her life.

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Season 1, Episode 10

January 20, 2015

Revenge of the Rogues

Season 1, Episode 10

January 20, 2015

Captain Cold and his hotheaded partner Heat Wave plot to steal a multi-million dollar painting and try to lure the Flash into a battle of fire and ice by kidnapping someone close to him. Meanwhile, Barry asks Dr. Wells, Caitlin and Cisco to double his training efforts so he is ready when the Reverse Flash returns; and Iris deals with the aftermath of Barry's confession.

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Season 1, Episode 11

January 27, 2015

The Sound and the Fury

Season 1, Episode 11

January 27, 2015

Dr. Wells' former protégé, Hartley Rathaway, returns to seek revenge on his mentor after being affected by the particle accelerator explosion. Meanwhile, Iris is hired as a cub reporter; Cisco recalls his first day on the job at S.T.A.R. Labs when he met Hartley and Caitlin; and Joe asks Eddie for a favor but asks him to keep it a secret from Barry.

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Season 1, Episode 12

February 3, 2015

Crazy for You

Season 1, Episode 12

February 3, 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 1, Episode 13

February 10, 2015

The Nuclear Man

Season 1, Episode 13

February 10, 2015

Barry goes after Ronnie when he realizes Caitlin's fiancé is a dangerous meta-human who attacked a physicist. To track him, Barry visits Dr. Martin Stein who is working on a project called F.I.R.E.S.T.O.R.M. Meanwhile, Barry struggles to balance his duties as the Flash with the relationship he has with Linda Park; and Joe enlists Cisco's help to reinvestigate the murder of Nora Allen.

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Season 1, Episode 14

February 17, 2015

Fallout

Season 1, Episode 14

February 17, 2015

A nuclear explosion separates Ronnie and Dr. Stein. When General Eiling targets Firestorm, the two must decide whether they are safer together or apart. Meanwhile, Mason Bridge tells Iris that something secret is going on at S.T.A.R. Labs; and Stein gives Barry some important information about time travel.

Season 1, Episode 15

March 17, 2015

Out of Time

Season 1, Episode 15

March 17, 2015

The Weather Wizard appears in Central City to avenge his brother's death and targets Joe, who shot the man. Meanwhile, Cisco recalls the night when the team captured the Reverse Flash and realizes something doesn't add up; and Barry and Linda go on an awkward double date with Eddie and Iris.

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Season 1, Episode 16

March 24, 2015

Rogue Time

Season 1, Episode 16

March 24, 2015

The Flash learns that Captain Cold and Heat Wave have returned to Central City, and that Snart has brought along his sister Lisa to help wreak havoc on the town.

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Season 1, Episode 17

March 31, 2015

Tricksters

Season 1, Episode 17

March 31, 2015

A copycat killer known as the Trickster sets off bombs in Central City. In an effort to stop him, Barry and Joe seek help from the original Trickster, a criminal mastermind who has been imprisoned for 20 years. Meanwhile, Iris asks Eddie to help with a case. In flashbacks, Harrison Wells is shown coming up with the idea for the particle accelerator.

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Season 1, Episode 18

April 14, 2015

All Star Team Up

Season 1, Episode 18

April 14, 2015

Felicity Smoak and Ray Palmer visit S.T.A.R. Labs when Ray needs help with his Atom suit. But they are called into action when a meta-human named Brie Larvin unleashes hundreds of robotic bees to attack and kill her coworkers. Also: A group dinner with Barry, Felicity, Ray, Iris and Eddie turns into a disaster.

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Season 1, Episode 19

April 21, 2015

Who Is Harrison Wells?

Season 1, Episode 19

April 21, 2015

Joe and Cisco head to Starling City to continue their investigation of Dr. Wells. While in town, Cisco meets the Black Canary, who asks him for a favor. Meanwhile, Barry races to catch a meta-human who can transform himself into any person he touches, including the Flash.

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Season 1, Episode 20

April 28, 2015

The Trap

Season 1, Episode 20

April 28, 2015

Barry, Caitlin, Cisco and Joe set a trap for Wells, but it puts Cisco in grave danger. Meanwhile, Eddie makes a decision regarding Iris, which unsettles Joe.

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Season 1, Episode 21

May 5, 2015

Grodd Lives

Season 1, Episode 21

May 5, 2015

Dr. Wells unleashes Grodd on the city to distract Barry and his team who are dealing with Reverse Flash's latest threat. Joe, Barry and Cisco pursue Grodd into the sewers, but the gorilla kidnaps Joe.

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Season 1, Episode 22

May 12, 2015

Rogue Air

Season 1, Episode 22

May 12, 2015

Arrow and Firestorm aid the Flash when Barry reaches out to Captain Cold to help defeat Wells but then proves he can't be trusted.

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Season 1, Episode 23

May 19, 2015

Fast Enough

Season 1, Episode 23

May 19, 2015

Season 1 ends with Wells presenting Barry with a life-changing choice. Meanwhile, Dr. Martin Stein and Ronnie Raymond return to help the S.T.A.R. Labs team for the final fight.

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Cast & Details See all »

Premiered: October 7, 2014
Rating: TV-PG
Premise: Scientist Barry Allen acquires super speed through a freak accident and becomes known as the Fastest Man Alive in this adaptation of the DC Comics character the Flash. (more)