The BEST episodes of The Flash (2014) season 1

Every episode of The Flash (2014) season 1, ranked from best to worst by thousands of votes from fans of the show. The best episodes of The Flash (2014) season 1!

After being struck by lightning, Barry Allen wakes up from his coma to discover he's been given the power of super speed, becoming the Flash, fighting crime in Central City.

Last Updated: 12/4/2024Network: The CWStatus: Ended
Fast Enough
star
8.30
5023 votes

#1 - 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.

Directors: Dermott Downs
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Out of Time
star
8.24
5329 votes

#2 - Out of Time

Season 1 - Episode 15 - Aired 3/17/2015

Mark Mardon aka The Weather Wizard appears in Central City intent on avenging his brother Clyde's death, and sets his sights on Joe, who shot Clyde. When Mardon attacks Joe and Barry, Barry is able to super-speed them to safety but Mardon gets away. Barry warns Joe not to go after a meta-human alone but Joe doesn't listen and ends up in grave danger. Meanwhile, Cisco looks into the night the team captured the Reverse Flash and realizes something doesn't add up and begins to wonder whether Joe was right about Dr. Wells. Barry and Linda end up on an awkward double date with Eddie and Iris.

Directors: Thor Freudenthal
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The Trap
star
8.19
4973 votes

#3 - The Trap

Season 1 - Episode 20 - Aired 4/28/2015

While in Wells' secret room, Barry learns about his battle with the Reverse-Flash in the future, as well as key moments in his life that include marrying Iris, a promotion at the CCPD, and that he created the artificial consciousness known as Gideon in the future. 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.

Directors: Steve Shill
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The Man in the Yellow Suit
star
8.08
5122 votes

#4 - The Man in the Yellow Suit

Season 1 - Episode 9 - Aired 12/9/2014

Barry finds himself face-to-face with his nemesis, the man in the yellow suit, a.k.a. Reverse-Flash, who killed his mother. Barry is frustrated when the Reverse-Flash escapes, but Dr. Wells and Cisco come up with a plan to trap him. All they need is bait, so they turn to Dr. Tina McGee from Mercury Labs to help. Meanwhile, it’s Christmas at the West household and Iris is in full holiday cheer. Eddie gives her a surprising gift but also leaves her with a question that could change her life. Joe joins the search for the man in yellow and ends up in the crossfire. Caitlin finds Ronnie.

Directors: Ralph Hemecker
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Flash vs. Arrow (1)
star
8.07
5219 votes

#5 - Flash vs. Arrow (1)

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. Meanwhile, Iris is furious when Eddie tries to get a task force to stop The Flash, Joe and Dr. Wells agree the Arrow is a bad influence on Barry, and Caitlin and Cisco deal with a new team in S.T.A.R. Labs.

Directors: Glen Winter
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Who is Harrison Wells?
star
8.06
4903 votes

#6 - Who is Harrison Wells?

Season 1 - Episode 19 - Aired 4/21/2015

Joe and Cisco head to Starling City to continue their investigation of Dr. Wells. While in town, the duo enlists the help of Captain Lance, and Cisco meets the Black Canary, who asks him for a favor. Meanwhile, back in Central City, Barry races to catch a meta-human named Hannibal Bates who can transform himself into every person he touches – which includes Eddie, Iris, Caitlin and even The Flash.

Directors: Wendey Stanzler
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Rogue Air
star
8.03
4526 votes

#7 - Rogue Air

Season 1 - Episode 22 - Aired 5/12/2015

As Wells once again gets the upper hand on the S.T.A.R. Labs team, Barry realizes he needs to make a big move and reaches out to an old foe, Captain Cold, for help. Joe and Caitlin warn Barry that Cold can't be trusted. True to form, Cold has his own agenda that involves the meta-humans trapped in the containment cells. As things seem to be going from bad to worse, The Flash gets reinforcements - Arrow and Firestorm.

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Tricksters
star
7.99
4935 votes

#8 - Tricksters

Season 1 - Episode 17 - Aired 3/31/2015

A copycat killer who goes by the name “The Trickster” starts setting off bombs in Central City. In order to stop the villain, Barry and Joe meet with the original Trickster, a criminal mastermind named James Jesse, who has been imprisoned for 20 years. Things quickly go from bad to worse when the Tricksters unite and take Henry prisoner. Meanwhile, Iris asks Eddie for help with a case and flashbacks show how Harrison Wells came up with the idea for the particle accelerator.

Directors: Ralph Hemecker
Watch Now:AmazonApple TV
Pilot
star
7.97
7980 votes

#9 - Pilot

Season 1 - Episode 1 - Aired 10/7/2014

CSI investigator Barry Allen awakens from a coma, nine months after he was hit by lightning, and discovers he has superhuman speed.

Directors: David Nutter
Watch Now:AmazonApple TV
Fallout
star
7.87
4306 votes

#10 - Fallout

Season 1 - Episode 14 - Aired 2/17/2015

After the nuclear explosion separates Ronnie and Dr. Stein, Barry and the team believe both men are safe. Caitlin is thrilled to have her fiancé back and prepares to resume their life together while Dr. Stein returns to his wife. However, when General Eiling targets Firestorm, Ronnie and Dr. Stein must decide if they are safer together or apart. Meanwhile, Mason Bridge tells Iris that there is something secretive going on at S.T.A.R. Labs and Dr. Stein gives Barry some important information about time travel.

Directors: Steve Surjik
Watch Now:AmazonApple TV
All Star Team Up
star
7.84
4805 votes

#11 - All Star Team Up

Season 1 - Episode 18 - Aired 4/14/2015

Barry is surprised when Felicity Smoak arrives from Starling City along with her boyfriend, Ray Palmer, who flies in as the Atom. They’ve come to visit S.T.A.R. Labs as Ray needs help with his suit. Their timing turns out to be fortuitous because it’s all hands on deck after a meta human named Brie Larvin unleashes hundreds of robotic bees to attack and kill her former co-workers, including Dr. Tina McGee. A group dinner with Barry, Felicity, Ray, Iris and Eddie turns into a disaster.

Directors: Kevin Tancharoen
Watch Now:AmazonApple TV
The Flash is Born
star
7.84
5250 votes

#12 - 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. While Dr. Wells and Caitlin are concerned about Barry’s safety, Cisco comes up with a plan to take Tony down. Meanwhile, Iris’s blog on The Flash gets her into trouble, and Eddie witnesses Tony’s abilities firsthand and begins to ask questions that Joe doesn’t want answered. Joe asks Dr. Wells to help him solve Nora Allen’s murder.

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Fastest Man Alive
star
7.81
6225 votes

#13 - Fastest Man Alive

Season 1 - Episode 2 - Aired 10/14/2014

Barry escorts Iris to a university gathering honoring scientist Simon Stagg. When six gunmen storm the event, Barry changes into The Flash and tries to stop them. While he does save a man's life, he passes out before he can capture the robbers, which frustrates him. As Dr. Wells, Caitlin and Cisco scramble to find out what's wrong with Barry, Joe comes down hard on Barry for taking the law into his own hands and risking his life. Barry realizes that it wasn't six gunmen but a metahuman named Danton Black, who can make multiples of himself. Meanwhile, Iris becomes even more intrigued by the “red streak.”

Directors: David Nutter
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Going Rogue
star
7.79
5641 votes

#14 - Going Rogue

Season 1 - Episode 4 - Aired 10/28/2014

The Flash stops a robbery but the culprits get away after shooting a guard, and The Flash chooses to save the man instead of following the criminals. Joe shows Barry a book of suspects and Barry identifies Leonard Snart as the leader of the group. While investigating the case, Barry gets a surprise visit from an old friend, Felicity Smoak, who heard about his new abilities and came to check them out for herself. She joins him at S.T.A.R. Labs to help stop Snart after it’s revealed that Snart his gotten his hands on a stolen “cold gun,” which could kill The Flash. Dr. Wells is furious when he finds out that Cisco built the cold gun without telling anyone and now it’s missing. Meanwhile, Iris is getting the silent treatment from Joe because of her relationship with Eddie. Finally, The Flash and Captain Cold have an epic confrontation.

Directors: Glen Winter
Watch Now:AmazonApple TV
Power Outage
star
7.79
4868 votes

#15 - Power Outage

Season 1 - Episode 7 - Aired 11/25/2014

The Flash goes up against Farooq aka Blackout, a metahuman who can harness electricity. During their battle, Farooq zaps The Flash and siphons all his electricity, leaving The Flash without his speed. Dr. Wells, Caitlin and Cisco work to reverse the effects on Barry, but their efforts are disrupted when Farooq comes banging on S.T.A.R. Labs doors in search of Wells, who he blames for his accident. Without Barry's powers to protect them, the group must figure out a way to save themselves from the metahuman. Meanwhile, Tockman manages a coup inside the Central City police department and takes several people hostage, including Joe and Iris. While Iris is sure The Flash will save them, Eddie has a trick up his sleeve.

Directors: Larry Shaw
Watch Now:AmazonApple TV
Grodd Lives
star
7.78
4739 votes

#16 - Grodd Lives

Season 1 - Episode 21 - Aired 5/5/2015

Barry must deal with the Reverse Flash's latest threat to a member of the group. To make matter worse, Dr. Wells unleashes Grodd on the city in order to distract Barry and the team. Joe, Barry and Cisco head down into the sewers to catch Grodd but the gorilla quickly gets the upper hand after he kidnaps Joe. Iris and Barry have a heart to heart talk.

Directors: Dermott Downs
Watch Now:AmazonApple TV
The Nuclear Man
star
7.78
4211 votes

#17 - The Nuclear Man

Season 1 - Episode 13 - Aired 2/10/2015

After Ronnie attacks a physicist, Barry and the team realize they need to go after Caitlin’s fiancé who is now a dangerous meta-human. They deduce the best way to track Ronnie is to find Dr. Martin Stein who was working on a project called F.I.R.E.S.T.O.R.M. Barry struggles to balance his duties as The Flash and his relationship with Linda Park, and Joe enlists Cisco’s help to reinvestigate the murder of Nora Allen. General Eiling returns to Central City.

Directors: Glen Winter
Watch Now:AmazonApple TV
Things You Can't Outrun
star
7.78
5888 votes

#18 - Things You Can't Outrun

Season 1 - Episode 3 - Aired 10/21/2014

As Barry and the team at S.T.A.R. Labs work to capture Kyle Nimbus, a.k.a. The Mist, a dangerous new meta-human with toxic gas powers, they revisit the painful night the particle accelerator exploded and killed Caitlin’s fiancé, Ronnie. Meanwhile, Joe decides to finally visit Henry in jail after all these years, but things take a dangerous turn when Kyle shows up looking to punish Joe for arresting him years ago. Meanwhile, Iris and Eddie continue to hide their relationship from Joe.

Directors: Jesse Warn
Watch Now:AmazonApple TV
Plastique
star
7.74
5280 votes

#19 - Plastique

Season 1 - Episode 5 - Aired 11/11/2014

After a bomb goes off downtown, the army, led by General Eiling, rolls in and takes over the case, much to Joe's surprise. Suspicious, Joe tells Barry that he and his friends at S.T.A.R. Labs should look into the army's involvement. Wells informs the team that Eiling was experimenting on his men to turn them into super soldiers. Cisco confirms one of Eiling's soldiers, Bette Sans Souci, was at the bomb site. The Flash tracks her down and realizes that she's not setting off the bombs, she is a meta-human who can blow things up just by touching them. Meanwhile, when Joe learns Iris is writing about “the streak,” he tells Barry to make her stop. Barry realizes Iris won't listen to him so he decides to have The Flash pay her a visit.

Directors: Dermott Downs
Watch Now:AmazonApple TV
Rogue Time
star
7.74
4758 votes

#20 - Rogue Time

Season 1 - Episode 16 - Aired 3/24/2015

After going to the past, Barry talks to Harrison Wells about him time traveling and the consequences of changing the timeline. Meanwhile, the Flash learns that Captain Cold and Heat Wave have returned to Central City. This time Snart has brought along his baby sister Lisa aka Golden Glider to help wreak havoc on the city.

Directors: John Behring
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Crazy for You
star
7.74
4104 votes

#21 - Crazy for You

Season 1 - Episode 12 - Aired 2/3/2015

Caitlin decides that she and Barry need to move on from Ronnie and Iris and find new loves so she takes him for a night out at the local karaoke bar. Caitlin doesn't have any luck making a love connection but Barry meets Linda Park, a sports reporter for the Central City Picture News, and asks her out on a date. When Barry tells Iris he has a date, Iris is surprised by her reaction. Meanwhile, Cisco considers Hartley's dangerous offer and the team searches for Shawna, a meta-human with teleportation powers, who just busted her boyfriend Clay out of Iron Heights. When Henry snoops around in an attempt to help Joe and Barry solve the crime, he ends up in the infirmary after getting roughed up by inmates.

Directors: Rob Hardy
Watch Now:AmazonApple TV
Revenge of the Rogues
star
7.65
4231 votes

#22 - Revenge of the Rogues

Season 1 - Episode 10 - Aired 1/20/2015

Leonard Snart AKA Captain Cold returns to Central City with a new hotheaded partner in tow, Mick Rory AKA Heat Wave. The duo plan to steal a multi-million dollar painting, but Cold has another agenda while in town, to set a trap for The Flash. Snart and Mick kidnap someone close to The Flash and threaten to kill them unless The Flash shows up for a battle of fire and ice. Barry tells Joe he isn’t sure he should take on Snart again after the casualties that happened the last time they fought. Meanwhile, Barry asks Dr. Wells, Caitlin and Cisco to help him double his training efforts so he’s ready for the Reverse Flash when he returns to Central City. Iris deals with the aftermath of Barry’s confession, and Cisco makes the CCPD a new shield.

Directors: Nick Copus
Watch Now:AmazonApple TV
The Sound and the Fury
star
7.62
4104 votes

#23 - The Sound and the Fury

Season 1 - Episode 11 - Aired 1/27/2015

Dr. Wells’ former protégée, Hartley Rathaway, returns to seek revenge on his mentor after being affected by the particle accelerator explosion. Now able to manipulate sound waves, the brilliant Rathaway is a dangerous threat to both Wells and The Flash. Meanwhile, Iris is thrilled when she’s hired by the Central City Picture News as their newest cub reporter. Unfortunately, her editor pairs her with a veteran reporter, Mason Bridge, who wants nothing to do with her. Cisco recalls his first day on the job at S.T.A.R. Labs when he met Hartley and Caitlin. Joe asks Eddie for a favor but asks him to keep it a secret from Barry.

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