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The Best Episodes Of 'The Flash'

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 94% 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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  • 1

    Enter Flashtime

    March 6, 2018
    163
    10

    Season 4, Episode 15

    When a nuclear bomb detonates in downtown Central City, Barry, Jesse Quick and Jay Garrick slow down time by entering Flashtime. As everyone in the city is frozen, the three speedsters push themselves to the breaking point to save the city and everyone in it.

  • 2

    Crisis on Infinite Earth: Part Three (III)

    December 10, 2019
    68
    3

    Season 6, Episode 9

    Pariah enlists Black Lightning to help stop the Anti-Monitor after Flash-90 shares what he learned from his battle in ‘Elseworlds.’ With the help of Black Lightning, Barry, Cisco and Killer Frost come up with a plan that could save them all. Meanwhile, Iris has a heart-to-heart with Ryan Choi, while Oliver and Diggle return to an old familiar stomping ground.

  • 3

    Armageddon (2)

    November 23, 2021
    13
    0

    Season 8, Episode 2

    Despero warns The Flash that great tragedies will befall the speedster and cause him to lose his mind. Once that happens, Armageddon will begin. Determined to prove Despero wrong, Barry doubles down on proving his innocence but a devastating revelation from Iris pushes him to the edge and sends him to seek counsel from Black Lightning.

  • 4

    All's Wells That Ends Well

    34
    1

    Season 7, Episode 1

    When an experiment to save Barry's speed backfires, Nash Wells searches for a way to save The Flash and comes up with a dangerous plan. Meanwhile, Iris makes a startling realization inside the Mirrorverse and Cecile faces off with Rosa Dillon.

  • 5

    Legacy

    May 14, 2019
    58
    3

    Season 5, Episode 22

    Barry faces off with his oldest, and most formidable nemesis, Reverse Flash.

  • 6

    Armageddon (1)

    November 16, 2021
    11
    0

    Season 8, Episode 1

    When a powerful alien threat arrives on Earth under mysterious circumstances, Barry, Iris and the rest of Team Flash are pushed to their limits in a desperate battle to save the world. But with time running out and the fate of humanity at stake, Flash and his companions will also need to enlist the help of some old friends if the forces of good are to prevail.

  • 7

    The Speed of Thought

    March 9, 2021
    24
    1

    Season 7, Episode 9

    When Barry suddenly gains the power of speed thinking, he attempts to use his new gift to save Iris. While Barry is thrilled with his new power, Cisco is hesitant to trust it. Meanwhile, Eva must face a shattering truth.

  • 8

    What's Past Is Prologue

    December 4, 2018
    72
    6

    Season 5, Episode 8

    Barry and Team Flash come up with a plan to stop Cicada. However, the plan calls for Barry and Nora to travel back in time to gather some key necessities. However, Barry hesitates, concerned about his daughter seeing certain parts of his life. Meanwhile, Sherloque takes his concerns about Nora to Iris, and Caitlin turns up a key asset in the fight against Cicada.

  • 9

    Think Fast

    May 15, 2018
    39
    3

    Season 4, Episode 22

    When DeVoe assaults an A.R.G.U.S. facility to complete his Enlightenment Machine, Barry realizes the only way he can stop him is if he allows Cisco and Caitlin to accompany him into the facility. Still shaken by Ralph’s death, Barry isn’t sure he wants to risk any more of his friends’ lives and considers taking on DeVoe solo.

  • 10

    Dead Man Running

    October 22, 2019
    47
    4

    Season 6, Episode 3

    Knowing that Crisis is only weeks away, Barry prepares a member of Team Flash for life without him while hunting a terrifying meta-human with an unquenchable thirst. Meanwhile, Ralph uncovers a family secret.

  • 11

    The One With The Nineties

    April 6, 2021
    20
    1

    Season 7, Episode 6

    Cisco and Chester travel back in time and get stuck in 1998, repeating the same day over and over again. The key to returning home is at Chester's childhood home but he refuses to visit.

  • 12

    King Shark vs. Gorilla Grodd

    March 5, 2019
    53
    5

    Season 5, Episode 15

    When Gorilla Grodd attacks Central City, Barry and Team Flash find themselves teaming up with an unexpected ally to defeat – King Shark. However, when they hit a snag, they bring in Dr. Tanya Lamden to try to reach the man behind the shark, Shay Lamden.

  • 13

    Armageddon (4)

    December 7, 2021
    9
    0

    Season 8, Episode 4

    Barry is shocked when Eobard Thawne returns in the most unexpected way, and with a tie to a loved one. Damien Darhk offers advice to Barry but there is a catch. An epic battle begins with Reverse Flash pitted against The Flash, Team Flash, Batwoman, Sentinel and Ryan Choi.

  • 14

    Armageddon (3)

    November 30, 2021
    9
    0

    Season 8, Episode 3

    Barry meets Black Lightning at the Hall of Justice after things take a dire turn with Despero. Iris suspects something is off with Despero's vision of the future so she seeks help from a powerful ally.

  • 15

    Timeless

    May 11, 2021
    19
    1

    Season 7, Episode 9

    After a devastating betrayal, Barry turns to Timeless Wells for help. Meanwhile, Iris leads Team Citizen down a dangerous road in search of answers, and Cisco confides his biggest fear to Kamilla.

  • 16

    P.O.W.

    July 6, 2021
    17
    1

    Season 7, Episode 16

    John Diggle arrives in Central City with a weapon to help Barry stop the Godspeed War. Meanwhile, Allegra and Ultraviolet's new bond is put to the ultimate test, while Joe and Kristen Kramer are hunted by a former colleague of hers.

  • 17

    Rogue Air

    May 12, 2015
    313
    54

    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.

  • 18

    Who Is Harrison Wells?

    April 21, 2015
    362
    64

    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.

  • 19

    Lose Yourself

    April 17, 2018
    35
    4

    Season 4, Episode 18

    When Barry and Team Flash find a way to enter The Thinker’s lair, Ralph considers crossing a dangerous line to defeat DeVoe. Meanwhile, Joe is concerned by Harry’s recent behavior.

  • 20

    Escape From Earth-2

    February 16, 2016
    319
    57

    Season 2, Episode 14

    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.

  • 21

    The Race Of His Life

    May 24, 2016
    433
    83

    Season 2, Episode 23

    In the Season Two finale, Zoom reveals his true plan and Barry vows to do whatever it takes to stop him.

  • 22

    A Flash of the Lightning

    October 15, 2019
    46
    6

    Season 6, Episode 2

    Faced with the news of his impending death, Barry's resiliency suffers as he struggles to fight fate. Meanwhile, Cecile's career as a D.A. conflicts with her identity when she crosses paths with a villainous meta-human.

  • 23

    Fast Enough

    May 19, 2015
    624
    128

    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.

  • 24

    Versus Zoom

    April 19, 2016
    188
    33

    Season 2, Episode 18

    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.

  • 25

    The Man In The Yellow Suit

    December 9, 2014
    572
    118

    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.

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