TV Episodes The Best Episodes Of 'The Flash'  

Ranker TV
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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.

list ordered by

1
162 47
Out Of Time is listed (or ranked) 1 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.

2
145 39
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
129 32
The Man In The Yellow Suit is listed (or ranked) 3 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.

4
118 31
Flash Back is listed (or ranked) 4 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.

5
74 13
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
111 32
Pilot is listed (or ranked) 6 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.

7
103 29
The Trap is listed (or ranked) 7 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.

8
92 24
Flash Vs. Arrow is listed (or ranked) 8 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.

9
99 28
Infantino Street is listed (or ranked) 9 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.

10
86 22
Crisis On Earth-X, Part 3 is listed (or ranked) 10 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.

11
91 25
Invasion! is listed (or ranked) 11 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.

12
81 20
Enter Zoom is listed (or ranked) 12 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.

13
94 31
Welcome To Earth-2 is listed (or ranked) 13 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).

14
76 22
The Once And Future Flash is listed (or ranked) 14 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.

15
78 24
Tricksters is listed (or ranked) 15 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.

16
64 16
Rogue Air is listed (or ranked) 16 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.

17
62 15
Who Is Harrison Wells? is listed (or ranked) 17 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.

18
64 17
Escape From Earth-2 is listed (or ranked) 18 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.

19
78 29
The Runaway Dinosaur is listed (or ranked) 19 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.

20
56 15
The Reverse-Flash Returns is listed (or ranked) 20 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.

21
59 18
I Know Who You Are is listed (or ranked) 21 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.

22
70 26
Therefore I Am is listed (or ranked) 22 on the list The Best Episodes Of 'The Flash'
Season 4 Episode 7: Barry comes face to face with DeVoe (NEIL SANDILANDS), whose past is revealed through flashbacks. Meanwhile, Iris puts the final touches on the wedding, which is a week away.

23
47 12
The Present is listed (or ranked) 23 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.

24
44 11
Running To Stand Still is listed (or ranked) 24 on the list The Best Episodes Of 'The Flash'
Season 2 Episode 10: Villains James Jesse (MARK HAMILL), Capt. Cold and the Weather Wizard (LIAM McINTYRE) run amok in Central City during Chistmas. KEIYNAN LONSDALE joins the cast as Wally West.

25
48 14
Abra Kadabra is listed (or ranked) 25 on the list The Best Episodes Of 'The Flash'
Season 3 Episode 18: The Flash battles Earth-19 villain Abra Kadabra (guest star DAVID DASTMALCHIAN) who offers up Savitar’s true identity in exchange for his release.

26
49 15
Fallout is listed (or ranked) 26 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 14: After the explosion separates Ronnie (ROBBIE AMELL) & Dr. Stein (VICTOR GARBER), the STAR Labs team believes both men are safe - until General Eiling targets Firestorm.

27
48 15
The Wrath of Savitar is listed (or ranked) 27 on the list The Best Episodes Of 'The Flash'
Season 3 Episode 15: While training with Barry, Wally starts to have visions of Savitar, which he hides from the team. Meanwhile, a dangerous secret threatens the happiness of Barry and Iris.

28
41 11
Don't Run is listed (or ranked) 28 on the list The Best Episodes Of 'The Flash'
rickbradshaw added Don't Run 12/05/17

Season 4 Episode 9: Amunet kidnaps Caitlin and puts meta-dampener handcuffs on her to keep her from turning into Killer Frost. Amunet tells Caitlin she needs her to perform a tricky medical task and if Caitlin fails, Amunet will kill her. Meanwhile, The Thinker traps The Flash in a speedster-proof prison. With the clock ticking, The Team doesn’t have the time or resources to track both Caitlin and Barry so Iris is forced to choose who to save.

29
49 17
Cause and Effect is listed (or ranked) 29 on the list The Best Episodes Of 'The Flash'
Season 3 Episode 21: Barry takes drastic measures to stop Savitar. Meanwhile, H.R. continues to push Tracy Brand to design the trap for Savitar; and Killer Frost returns with an interesting proposal.

30
43 13
Versus Zoom is listed (or ranked) 30 on the list The Best Episodes Of 'The Flash'
Season 2 Episode 19: Equipped with the tachyon device, Barry believes he is fast enough to stop Zoom (TEDDY SEARS) and convinces Wells and Cisco to open the breaches to catch him.

31
56 23
The Flash Reborn is listed (or ranked) 31 on the list The Best Episodes Of 'The Flash'
Season 4 Episode 1: In the season four premiere, Cisco (CARLOS VALDES) makes a risky decision to break Barry (GRANT GUSTIN) out of the Speed Force.

32
38 10
Fastest Man Alive is listed (or ranked) 32 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 2: Much to Joe's disapproval, Barry has fun with his new powers, but a setback makes him question his ability to be a hero. Iris (CANDICE PATTON) is intrigued by the "red streak."

33
46 16
Into the Speed Force is listed (or ranked) 33 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.

34
41 13
Going Rogue is listed (or ranked) 34 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 4: After stopping a robbery, Barry identifies the criminal. When the villain gets his hands on a stolen cold gun that could kill the Flash, Barry faces Capt. Cold in an epic fight.

35
41 13
Finish Line is listed (or ranked) 35 on the list The Best Episodes Of 'The Flash'
Season 3 Episode 23: With nothing left to lose, Barry takes on Savitar in an epic conclusion to season three.

36
41 13
Revenge of the Rogues is listed (or ranked) 36 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 10: When Captain Cold (WENTWORTH MILLER) returns to Central City with a hotheaded partner - Mick Rory aka Heat Wave (DOMINIC PURCELL) - they challenge The Flash to an epic battle.

37
46 18
Killer Frost is listed (or ranked) 37 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.

38
37 12
Attack on Gorilla City is listed (or ranked) 38 on the list The Best Episodes Of 'The Flash'
Season 3 Episode 13: When Jesse Quick informs the team that her father has been abducted, Barry, Caitlin, Cisco and Julian voyage to Earth-2 on a rescue mission to save Harry from Gorilla City.

39
38 13
Family of Rogues is listed (or ranked) 39 on the list The Best Episodes Of 'The Flash'
Season 2 Episode 3: When Barry and the team find out Captain Cold (WENTWORTH MILLER) has been kidnapped, they form an uneasy alliance with his sister, Lisa (PEYTON LIST).

40
51 23
Elongated Journey Into Night is listed (or ranked) 40 on the list The Best Episodes Of 'The Flash'
Season 4 Episode 4: Cisco is shocked when Gypsy (JESSICA CAMACHO) and her father, Breacher (DANNY TREJO) show up on Earth-1. And Breacher really dislikes him!

41
37 13
The Flash is Born is listed (or ranked) 41 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 6: The Flash faces a new meta-human named Tony (GREG FINLEY), who can turn himself into girded steel at will. Meanwhile, Joe asks Dr. Wells to help him solve Nora Allen's murder.

42
38 14
Invincible is listed (or ranked) 42 on the list The Best Episodes Of 'The Flash'
Season 2 Episode 23: After Zoom unleashes an army of meta-humans on Central City, Barry is shaken when he sees their leader is the Black Canary's Earth-2 doppelganger, the Black Siren (KATIE CASSIDY).

43
34 11
Rupture is listed (or ranked) 43 on the list The Best Episodes Of 'The Flash'
Season 2 Episode 21: When Zoom arrives back on Earth-1 with the villain Rupture (NICHOLAS GONZALEZ), Barry and Wells come up with a very dangerous plan to stop them forever.

44
34 11
Rogue Time is listed (or ranked) 44 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 16: Captain Cold and Heat Wave return to Central City. But this time, Snart brings along his sister, Lisa (guest star PEYTON LIST) to wreak havoc on the city.

45
38 15
Flashpoint is listed (or ranked) 45 on the list The Best Episodes Of 'The Flash'
Season 3 Episode 1: In the season premiere, Barry Allen (GRANT GUSTIN) is living the life he always wanted. But there are serious repercussions to living in this alternate Flashpoint universe.

46
35 13
Grodd Lives is listed (or ranked) 46 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 21: While Barry deals with the Reverse Flash's latest threat to a member of the group, Dr. Wells unleashes Grodd on the city in order to distract Barry and the team.

47
26 7
Things You Can't Outrun is listed (or ranked) 47 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 3: As Barry and the team work to capture a dangerous new meta-human with toxic gas powers, they revisit the night the particle accelerator exploded and killed Caitlin's fiancé, Ronnie.

48
33 13
Legends of Yesterday is listed (or ranked) 48 on the list The Best Episodes Of 'The Flash'
Season 2 Episode 9: In Part Two of the epic Flash crossover event, Oliver and Barry hide Kendra Saunders and Carter Hall in a remote location while they figure out how to defeat Vandal Savage.

49
28 9
The Sound and the Fury is listed (or ranked) 49 on the list The Best Episodes Of 'The Flash'
Season 1 Episode 11: Dr. Wells' former protégée, Hartley Rathaway (ANDY MIENTUS), returns to seek revenge on his mentor after being affected by the particle accelerator explosion.

50
28 10
Flash of Two Worlds is listed (or ranked) 50 on the list The Best Episodes Of 'The Flash'
Season 2 Episode 2: Jay Garrick (TEDDY SEARS), a mysterious man from Earth-2, appears at S.T.A.R. Labs with a dire warning about an evil speedster named Zoom, who is set on destroying The Flash.