The BEST Episodes of The Flash (2014)
Every episode ever - ranked by fan votes!
Last Updated: Nov 19, 2021
Network: The CW
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.
#1 - Fast Enough
Season 1 - Episode 23 - Aired May 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.
8.33 
#2 - Out of Time
Season 1 - Episode 15 - Aired Mar 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.
8.27 
#3 - The Trap
Season 1 - Episode 20 - Aired Apr 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.
8.21 
#4 - The Race of His Life
Season 2 - Episode 23 - Aired May 24, 2016
Barry vows to stop Zoom after learning Zoom's true plans.
8.18 
#5 - Welcome to Earth-2
Season 2 - Episode 13 - Aired Feb 9, 2016
Barry, Wells and Cisco journey to Earth-2 to rescue Wells’ daughter, Jesse from Zoom. Barry is stunned when he runs into Earth-2 Iris and Joe, but nothing prepares him for meeting Killer Frost and Deathstorm. Meanwhile, back on Earth-1, Jay has to take over the Flash’s responsibilities when a meta-human nicknamed Geomancer attacks Central City.
8.13 
#6 - Enter Zoom
Season 2 - Episode 6 - Aired Nov 10, 2015
After recent events, Barry decides it’s time to confront Zoom and comes up with a dangerous plan. Caitlin sides with Jay and deems it too dangerous for Barry to engage with the speed demon. However, Iris shows her support and brings forth a surprising ally. We see what Earth-2 Harrison Wells’ life was like before coming through the breech.
8.13 
#7 - The Man in the Yellow Suit
Season 1 - Episode 9 - Aired Dec 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.
8.10 
#8 - Escape from Earth-2
Season 2 - Episode 14 - Aired Feb 16, 2016
On Earth-2, the team races to find Zoom's lair and asks for help from the most unexpected source. Meanwhile, back on Earth-1, Caitlin rushes to perfect Velocity-9 so that Jay can stop the Geomancer.
8.10 
#9 - Flash vs. Arrow (1)
Season 1 - Episode 8 - Aired Dec 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.
8.10 
#10 - I Know Who You Are
Season 3 - Episode 20 - Aired May 2, 2017
Barry and the team meet Tracy Brand, a scientist, who may be the key to stopping Savitar. Unfortunately, Killer Frost is also after Tracy so Team Flash must battle their old friend, which proves to be particularly difficult for Cisco. Joe and Cecile’s relationship takes a big turn.
8.10 
#11 - Elseworlds (1)
Season 5 - Episode 9 - Aired Dec 9, 2018
Barry and Oliver wake up to find they've swapped bodies, but Team Flash doesn't believe them, so the two heroes travel to Smallville on Earth-38 to get help from Supergirl.
8.08 
#12 - Who Is Harrison Wells?
Season 1 - Episode 19 - Aired Apr 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.
8.08 
#13 - Rogue Air
Season 1 - Episode 22 - Aired May 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.
8.06 
#14 - Invincible
Season 2 - Episode 22 - Aired May 17, 2016
After Zoom unleashes an army of Earth-2 meta-humans on Central City, Barry is shaken when he sees their leader is the Black Canary’s Earth-2 doppelganger, the Black Siren. Meanwhile, Wally takes to the streets to help The Flash stop the meta-humans, which worries Joe. Iris and Henry are concerned about Barry taking on Zoom.
8.05 
#15 - Invasion! (2)
Season 3 - Episode 8 - Aired Nov 29, 2016
Barry asks Green Arrow for help when aliens attack Central City, but when they realize that won't be enough, they track down the Legends of Tomorrow so they can bring Supergirl in on the battle.
8.04 
#16 - Legends of Today (1)
Season 2 - Episode 8 - Aired Dec 1, 2015
When Vandal Savage attacks Kendra Saunders, Barry takes Kendra to Star City, seeking Oliver's protection; Harrison asks Jay to test a new serum to make Barry run faster.
8.02 
#17 - Rupture
Season 2 - Episode 20 - Aired May 3, 2016
Zoom arrives back on Earth-1 intent on taking over Central City. Barry and Wells come up with a plan to stop Zoom once and for all but it’s extremely dangerous. Unsure if he should take the risk, Barry reaches out to both fathers for advice. Henry is adamantly opposed to Barry risking his life again but Joe thinks he can handle it which puts the two men at odds with each other. Meanwhile, Cisco is shocked when he vibes the Earth-2 villain Rupture, who happens to be his brother Dante’s doppelganger. Rupture came to this Earth seeking justice for Reverb’s death. Iris decides she’s finally ready to open up to Barry about her feelings for him.
8.02 
#18 - Flash Back
Season 2 - Episode 17 - Aired Mar 29, 2016
After discovering the true identity of Zoom, Barry is more determined than ever to stop him. To increase his speed, Barry goes back in time to look for help from an arch nemesis.
8.02 
#19 - Finish Line
Season 3 - Episode 23 - Aired May 23, 2017
Savitar kills one of the team, and then comes up with a new plan to become a god… and Barry must come up with a way to stop him.
8.01 
#20 - Tricksters
Season 1 - Episode 17 - Aired Mar 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.
8.00 
#21 - Infantino Street
Season 3 - Episode 22 - Aired May 16, 2017
With only 24 hours left until Savitar murders Iris, Barry struggles to save the woman he loves and makes the choice to use any means necessary to do so. Realizing he has one option left to save her, The Flash turns to Captain Cold for help.
8.00 
#22 - Pilot
Season 1 - Episode 1 - Aired Oct 7, 2014
CSI investigator Barry Allen awakens from a coma, nine months after he was hit by lightning, and discovers he has superhuman speed.
7.98 
#23 - We Are the Flash
Season 4 - Episode 23 - Aired May 22, 2018
With Marlize's help, Barry tries to make a last-ditch attempt to reach the good DeVoe inside of the Thinker... and meets an old friend.
7.98 
#24 - The Present
Season 3 - Episode 9 - Aired Dec 6, 2016
With Alchemy and Savitar still looming threats, Barry is unable to focus on the Christmas holiday, and especially his relationship with Iris. Determined to stop Savitar, Barry goes to Earth-3 to get advice from Jay Garrick. Wally wants to help Barry fight Savitar and reveals that he’s been training with H.R, which doesn’t go over well with Barry. As Cisco faces his first Christmas without his brother Dante, old wounds are reopened.
7.95 
#25 - Killer Frost
Season 3 - Episode 7 - Aired Nov 22, 2016
Caitlin uses her powers to save Barry but as her mother predicted, the effort unleashes her inner Killer Frost. Killer Frost goes on a rampage looking for Dr. Alchemy, kidnapping Julian and battling both The Flash and Vibe. Joe and H.R. have a heart to heart talk.
7.95