8.3/109,887 votes#1 - Pilot
Season 1 Episode 1 - Aired 10/7/2014
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.
Director: David Nutter
Writer: N/A
8.1/107,571 votes#2 - Fastest Man Alive
Season 1 Episode 2 - Aired 10/14/2014
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."
Director: David Nutter
Writer: N/A
7.9/106,864 votes#3 - Things You Can't Outrun
Season 1 Episode 3 - Aired 10/21/2014
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.
Director: Jesse Warn
Writer: Alison Schapker, Grainne Godfree
8.4/107,106 votes#4 - Going Rogue
Season 1 Episode 4 - Aired 10/28/2014
The Flash battles Captain Cold after the villain is involved in a robbery and plots to steal the Kahndaq Dynasty Diamond.
Director: Glen Winter
Writer: Kai Yu Wu, Geoff Johns
7.9/106,345 votes#5 - Plastique
Season 1 Episode 5 - Aired 11/11/2014
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.
Director: Dermott Downs
Writer: Aaron Helbing, Todd Helbing, Brooke Roberts
8.2/106,303 votes#6 - The Flash is Born
Season 1 Episode 6 - Aired 11/18/2014
The Flash faces a new meta-human named Tony, who can turn himself into girded steel at will.
Director: Millicent Shelton
Writer: Jaime Paglia, Chris Rafferty
8.3/106,203 votes#7 - Power Outage
Season 1 Episode 7 - Aired 11/25/2014
The Flash goes up against Farooq aka Blackout, a metahuman who can harness electricity.
Director: Larry Shaw
Writer: Alison Schapker, Grainne Godfree
9.1/109,455 votes#8 - Flash vs. Arrow (I)
Season 1 Episode 8 - Aired 12/2/2014
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.
Director: Glen Winter
Writer: N/A
9.2/109,115 votes#9 - The Man in the Yellow Suit
Season 1 Episode 9 - Aired 12/9/2014
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.
Director: Ralph Hemecker
Writer: Aaron Helbing, Todd Helbing
8.1/106,081 votes#10 - Revenge of the Rogues
Season 1 Episode 10 - Aired 1/20/2015
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.
Director: Nick Copus
Writer: Kai Yu Wu, Geoff Johns
8.0/105,725 votes#11 - The Sound and the Fury
Season 1 Episode 11 - Aired 1/27/2015
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.
Director: John F. Showalter
Writer: Alison Schapker, Brooke Roberts
8.2/105,874 votes#12 - Crazy for You
Season 1 Episode 12 - Aired 2/3/2015
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.
Director: Rob Hardy
Writer: Aaron Helbing, Todd Helbing
8.5/106,011 votes#13 - The Nuclear Man
Season 1 Episode 13 - Aired 2/10/2015
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.
Director: Glen Winter
Writer: Katherine Walczak, Andrew Kreisberg
8.7/106,412 votes#14 - Fallout
Season 1 Episode 14 - Aired 2/17/2015
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.
Director: Stephen Surjik
Writer: Keto Shimizu, Ben Sokolowski
9.6/1015,682 votes#15 - Out of Time
Season 1 Episode 15 - Aired 3/17/2015
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.
Director: Thor Freudenthal
Writer: Aaron Helbing, Todd Helbing
8.3/106,127 votes#16 - Rogue Time
Season 1 Episode 16 - Aired 3/24/2015
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.
Director: John Behring
Writer: N/A
9.0/107,335 votes#17 - Tricksters
Season 1 Episode 17 - Aired 3/31/2015
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.
Director: Ralph Hemecker
Writer: Andrew Kreisberg
8.1/105,974 votes#18 - All Star Team Up
Season 1 Episode 18 - Aired 4/14/2015
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.
Director: Kevin Tancharoen
Writer: Kai Yu Wu, Grainne Godfree
8.9/106,728 votes#19 - Who Is Harrison Wells?
Season 1 Episode 19 - Aired 4/21/2015
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.
Director: Wendey Stanzler
Writer: Ray Utarnachitt, Cortney Norris
9.3/107,925 votes#20 - The Trap
Season 1 Episode 20 - Aired 4/28/2015
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.
Director: Steve Shill
Writer: Alison Schapker, Brooke Roberts
8.2/106,109 votes#21 - Grodd Lives
Season 1 Episode 21 - Aired 5/5/2015
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.
Director: Dermott Downs
Writer: Kai Yu Wu, Grainne Godfree
9.0/107,359 votes#22 - Rogue Air
Season 1 Episode 22 - Aired 5/12/2015
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.
Director: Douglas Aarniokoski
Writer: Aaron Helbing, Todd Helbing
9.5/1013,480 votes#23 - Fast Enough
Season 1 Episode 23 - Aired 5/19/2015
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.
Director: Dermott Downs
Writer: N/A
The Best Episodes of The Flash Season 1
Every episode of The Flash Season 1 ranked from best to worst. Discover the Best Episodes of The Flash Season 1!
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...
Genres:DramaSci-Fi & Fantasy
Network:The CW
Season 1 Ratings Summary
"Pilot" is the best rated episode of "The Flash" season 1. It scored 8.3/10 based on 9887 votes. Directed by David Nutter and written by N/A, it aired on 10/7/2014. This episode is rated 0.2 points higher than the second-best, "Fastest Man Alive".