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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.

  • 1

    Enter Flashtime

    March 6, 2018

    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

    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


    May 14, 2019

    Season 5, Episode 22

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

  • 4

    What's Past Is Prologue

    December 4, 2018

    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.

  • 5

    All's Wells That Ends Well


    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.

  • 6

    King Shark vs. Gorilla Grodd

    March 5, 2019

    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.

  • 7

    Think Fast

    May 15, 2018

    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.

  • 8

    Rogue Air

    May 12, 2015

    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

    Who Is Harrison Wells?

    April 21, 2015

    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.

  • 10

    Escape From Earth-2

    February 16, 2016

    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.

  • 11

    Dead Man Running

    October 22, 2019

    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.

  • 12

    The Race Of His Life

    May 24, 2016

    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.

  • 13

    Fast Enough

    May 19, 2015

    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.

  • 14

    Versus Zoom

    April 19, 2016

    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.

  • 15

    The Man In The Yellow Suit

    December 9, 2014

    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.

  • 16

    The Trial of The Flash

    January 16, 2018

    Season 4, Episode 10

    As Barry’s trial for the murder of Clifford DeVoe begins, Iris and Joe must decide how far they are willing to go to keep Barry out of prison.

  • 17

    Armageddon (2)

    November 23, 2021

    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.

  • 18

    The Speed of Thought

    March 9, 2021

    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.

  • 19

    Welcome To Earth-2

    February 9, 2016

    Season 2, Episode 13

    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).

  • 20

    Running To Stand Still

    December 8, 2015

    Season 2, Episode 9

    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.

  • 21

    The Last Temptation of Barry Allen, Pt. 1

    November 26, 2019

    Season 6, Episode 7

    As Barry Allen stands on the threshold of his impending death in Crisis, his convictions are tested when the monstrous Dr. Ramsey Rosso infects The Flash with a mysterious, hallucinogenic contagion. Meanwhile, reporter Iris West-Allen uncovers a vast conspiracy.

  • 22

    Enter Zoom

    November 10, 2015

    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.

  • 23

    Death of the Speed Force

    March 10, 2020

    Season 6, Episode 14

    Kid Flash returns to Central City with a Zen attitude and new tricks up his sleeve. While thrilled to see his family again, Wally confides to Barry that he returned because he thinks there is something wrong with the speed force. Meanwhile, Cisco returns from his fact-finding mission across Earth-Prime.

  • 24

    Out Of Time

    March 17, 2015

    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.

  • 25

    The Trap

    April 28, 2015

    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.

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