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The Best Episodes Of 'The Flash'  

Ranker TV
9.3k votes 748 voters 8.3k views 83 items

There are so many good episodes of The Flash, but which ones really stand out? Do you like "Fast Enough" the best, or is "Flash vs. Arrow" your favorite episode of The Flash? To determine once and for all what the best episodes of The Flash are, let's rank every episode of The Flash from best to worst.

The Flash on CW is a superhero TV series based on the DC Comics character Barry Allen, AKA Flash. Starring Grant Gustin as the eponymous hero, The Flash was conceived as a spinoff of Arrow (Green Arrow). The series premiered on October 7, 2014 and has had crossover episodes with both Arrow and Supergirl. The series is critically acclaimed, with the second season having a perfect 100% score on Rotten Tomatoes.

Vote up your favorite episodes of The Flash, and vote down any bad episodes that you really didn't enjoy, despite how much you love the series as a whole. It can be painful to put one The Flash episode over the other when there are so many good ones, which is why you can vote on however many episodes you like.

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list ordered by
1
Enter Flashtime is listed (or ranked) 1 on the list The Best Episodes Of 'The Flash'
Immortus added Enter Flashtime 6 March 2018

Barry, Jessie Quick, and Jay Garrick slow down time when a nuclear bomb detonates in downtown Central City.

2
Fast Enough is listed (or ranked) 2 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 23: In the season one finale, Wells presents Barry with a life-altering choice, while Dr. Martin Stein and Ronnie Raymond (aka Firestorm) return to help the S.T.A.R. Labs team.
3
Out Of Time is listed (or ranked) 3 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 15: Mark Mardon aka The Weather Wizard appears in Central City to avenge his brother's death at the hands of Joe. And Cisco realizes that Dr. Wells is hiding something.
4
The Man In The Yellow Suit is listed (or ranked) 4 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 9: When Barry finds himself face to face with his nemesis, the Man in the Yellow Suit (aka Reverse Flash), who killed his mother, he turns to Dr. Tina McGee (AMANDA PAYS) for help.
5
The Race Of His Life is listed (or ranked) 5 on the list The Best Episodes Of 'The Flash'
Season 2 Episode 24: In the Season Two finale, Zoom reveals his true plan and Barry vows to do whatever it takes to stop him.
6
Enter Zoom is listed (or ranked) 6 on the list The Best Episodes Of 'The Flash'
Season 2 Episode 6: Barry comes up with a dangerous plan to defeat Zoom. Although Caitlin sides with Jay and deems it too dangerous, Iris shows her support with a surprising ally.
7
Who Is Harrison Wells? is listed (or ranked) 7 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 19: While Joe and Cisco head to Starling City for answers about Dr. Wells from Capt. Lance, Barry races to catch a meta-human who can transform into anyone he touches.
8
Rogue Air is listed (or ranked) 8 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 22: As Wells once again gets the upper hand on the S.T.A.R. Labs team, Barry reaches out to an old foe, Captain Cold, and friends, the Arrow and Firestorm, for help.
9
Escape From Earth-2 is listed (or ranked) 9 on the list The Best Episodes Of 'The Flash'
Season 2 Episode 15: In the conclusion to their Earth-2 journey, the team races to find Zoom's lair by asking for help from an unexpected source. Back on Earth-1, Caitlin rushes to perfect Velocity-9.
10
Pilot is listed (or ranked) 10 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 1: In the series premiere, Central City forensic scientist Barry Allen (GRANT GUSTIN) is accidentally given the power of super speed in a freak particle accelerator accident.
11
Flash Vs. Arrow is listed (or ranked) 11 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 8: In the first part of the epic crossover event with The Flash and Arrow, Barry is thrilled when Oliver, Felicity and Diggle join him in Central City to help stop a meta-human.
12
Crisis On Earth-X, Part 3 is listed (or ranked) 12 on the list The Best Episodes Of 'The Flash'
Season 4 Episode 8: When villains from Earth-X attack the wedding ceremony of Barry and Iris, the Green Arrow, Supergirl, The Flash and White Canary unite their teams to save the world.
13
Infantino Street is listed (or ranked) 13 on the list The Best Episodes Of 'The Flash'
Season 3 Episode 22: With only 24 hours left to save Iris from Savitar, Barry decides to use any means necessary and turns to Captain Cold (WENTWORTH MILLER) for help.
14
The Trap is listed (or ranked) 14 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 20: Barry, Caitlin, Cisco & Joe set a trap for Wells - using Cisco as bait. Meanwhile, Eddie makes a decision regarding Iris that leaves him unsettled.
15
Flash Back is listed (or ranked) 15 on the list The Best Episodes Of 'The Flash'
Season 2 Episode 18: Determined to stop Zoom forever by increasing his speed, Barry travels back in time to consult his former mentor/nemesis Harrison Wells/Eobard Thawne.
16
Welcome To Earth-2 is listed (or ranked) 16 on the list The Best Episodes Of 'The Flash'
Season 2 Episode 14: Barry, Wells & Cisco journey to Earth-2 to rescue Wells' daughter, Jesse, and Barry's stunned when he meets Killer Frost (DANIELLE PANABAKER) and Deathstorm (ROBBIE AMELL).
17
Invasion! is listed (or ranked) 17 on the list The Best Episodes Of 'The Flash'
Season 3 Episode 8: When aliens called the Dominators attack Central City, Barry asks for help from the Green Arrow, the Legends of Tomorrow and Supergirl in the first part of the epic crossover event.
18
The Once And Future Flash is listed (or ranked) 18 on the list The Best Episodes Of 'The Flash'
Season 3 Episode 19: Barry travels to the future to find out Savitar’s identity in hopes of finding Iris, but in 2024, he encounters future versions of Team Flash who are very different people.
19
The Reverse-Flash Returns is listed (or ranked) 19 on the list The Best Episodes Of 'The Flash'
Season 2 Episode 12: When Cisco gets a vibe of Eobard Thawne, Barry and the team don't believe it. But, after an attack at Mercury Labs, Christina McGee confirms that the Reverse-Flash is back.
20
The Runaway Dinosaur is listed (or ranked) 20 on the list The Best Episodes Of 'The Flash'
Season 2 Episode 22: With Barry gone, the team must figure out a way to handle the return of an old enemy - Girder (GREG FINLEY), by trying to trap him in S.T. A. R. Labs.
21
The Present is listed (or ranked) 21 on the list The Best Episodes Of 'The Flash'
Season 3 Episode 9: Unable to focus on the Christmas holiday – and especially his relationship with Iris – Barry travels to Earth-3 to get advice from Jay Garrick in how to stop Savitar.
22
Tricksters is listed (or ranked) 22 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 17: MARK HAMILL (Star Wars) reprises his role as James Jesse aka The Trickster, when a copycat killer (DEVON GRAYE) starts setting bombs off in Central City.
23
Into the Speed Force is listed (or ranked) 23 on the list The Best Episodes Of 'The Flash'
Season 3 Episode 16: Desperate to stop Savitar and save his friends, Barry turns to the speed force for answers. Meanwhile, H.R. gives Jesse some advice.
24
Killer Frost is listed (or ranked) 24 on the list The Best Episodes Of 'The Flash'
Season 3 Episode 7: In order to save Barry, Caitlin uses her powers, but the effort unleashes her inner Killer Frost, who ends up battling both The Flash and Vibe. Kevin Smith directs.
25
I Know Who You Are is listed (or ranked) 25 on the list The Best Episodes Of 'The Flash'
Season 3 Episode 20: Barry and the team meet Tracy Brand (ANNE DUDEK), a scientist, who may be the key to stopping Savitar. Unfortunately, Killer Frost is also after Tracy.