The Flash Season 1 poster

The Flash — Season 1

The fastest man alive.

201423 episodes7.5/10 (1,439 votes)

About this season

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!

Episodes (23)

Pilot
E1

1. Pilot

6.9

Aired 7 October 2014 • 44 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.

Fastest Man Alive
E2

2. Fastest Man Alive

6.9

Aired 14 October 2014 • 41 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."

Things You Can't Outrun
E3

3. Things You Can't Outrun

7.1

Aired 21 October 2014 • 41 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 Joe.

Going Rogue
E4

4. Going Rogue

7.3

Aired 28 October 2014 • 41 min

The Flash battles Captain Cold after the villain is involved in a robbery and plots to steal the Kahndaq Dynasty Diamond.

Plastique
E5

5. Plastique

7.2

Aired 11 November 2014 • 41 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.

The Flash is Born
E6

6. The Flash is Born

7.3

Aired 18 November 2014 • 41 min

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

Power Outage
E7

7. Power Outage

7.4

Aired 25 November 2014 • 41 min

The Flash goes up against Farooq aka Blackout, a metahuman who can harness electricity.

Flash vs. Arrow (I)
E8

8. Flash vs. Arrow (I)

7.9

Aired 2 December 2014 • 41 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.

The Man in the Yellow Suit
E9

9. The Man in the Yellow Suit

8.1

Aired 9 December 2014 • 42 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.

Revenge of the Rogues
E10

10. Revenge of the Rogues

7.2

Aired 20 January 2015 • 41 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.

The Sound and the Fury
E11

11. The Sound and the Fury

7.2

Aired 27 January 2015 • 41 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 a secret from Barry.

Crazy for You
E12

12. Crazy for You

7.3

Aired 3 February 2015 • 41 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 for Shawna, a meta-human with teleportation powers who just busted her boyfriend out of Iron Heights.

The Nuclear Man
E13

13. The Nuclear Man

7.4

Aired 10 February 2015 • 41 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.

Fallout
E14

14. Fallout

7.7

Aired 17 February 2015 • 41 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 Martin for advice on time travel.

Out of Time
E15

15. Out of Time

8.2

Aired 17 March 2015 • 40 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.

Rogue Time
E16

16. Rogue Time

7.3

Aired 24 March 2015 • 41 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.

Tricksters
E17

17. Tricksters

7.9

Aired 31 March 2015 • 41 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.

All Star Team Up
E18

18. All Star Team Up

7.5

Aired 14 April 2015 • 41 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.

Who Is Harrison Wells?
E19

19. Who Is Harrison Wells?

8.1

Aired 21 April 2015 • 41 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 who can take on the appearance of anyone he touches.

The Trap
E20

20. The Trap

8.2

Aired 28 April 2015 • 41 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.

Grodd Lives
E21

21. Grodd Lives

7.5

Aired 5 May 2015 • 41 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. Meanwhile, Iris confronts Barry, while Harrison prepares to return home.

Rogue Air
E22

22. Rogue Air

8.2

Aired 12 May 2015 • 41 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 but has some surprising news for Iris.

Fast Enough
E23

23. Fast Enough

8.5

Aired 19 May 2015 • 44 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.

Other seasons of The Flash

Popular Web Series Collections