The Flash backdrop
The Flash poster
Drama
Sci-Fi & Fantasy

The Best Episodes of The Flash

Every episode of The Flash ranked from best to worst. Let's dive into the Best Episodes of The Flash!

The Best Episodes of The Flash

After being struck by lightning, CSI investigator Barry Allen awakens from a nine-month coma to discover he has been granted the gift of super...

Filter By Season9

  1. 9.6/10(15.8k votes)

    #1 - Out of Time

    Loading...
    S1:E15

    Mark Mardon, having survived his apparent death during the black-matter explosion, returns seeking revenge on Joe for the death of his brother Clyde... and has the same weather-manipulation powers as his deceased sibling.

    0 Comments
    View all
  2. 9.5/10(13.6k votes)

    #2 - Fast Enough

    Loading...
    S1:E23

    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.

    0 Comments
    View all
    Director:Dermott Downs
    Writer:N/A
  3. 9.3/10(8.0k votes)

    #3 - The Trap

    Loading...
    S1:E20

    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.

    0 Comments
    View all
  4. 9.3/10(8.2k votes)

    #4 - Enter Zoom

    Loading...
    S2:E6

    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.

    0 Comments
    View all
  5. 9.2/10(9.2k votes)

    #5 - The Man in the Yellow Suit

    Loading...
    S1:E9

    Barry enjoys the annual tradition of tree trimming and gift exchange with Joe and Iris. He gives Iris a touching gift, but the moment is interrupted by Eddie’s arrival.

    0 Comments
    View all
  6. 9.2/10(6.7k votes)

    #6 - Welcome to Earth-2

    Loading...
    S2:E13

    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.

    0 Comments
    View all
  7. Trending NowTRENDING NOW

    The 20 WORST Episodes of The Flash

    READ
  8. 9.1/10(9.5k votes)

    #7 - Flash vs. Arrow (I)

    Loading...
    S1:E8

    Barry is thrilled when Oliver, Felicity and Diggle come to Central City to investigate a case involving a deadly boomerang. The crossover continues on Arrow S03E08 The Brave and the Bold.

    0 Comments
    View all
    Director:Glen Winter
    Writer:N/A
  9. 9.0/10(7.4k votes)

    #8 - Tricksters

    Loading...
    S1:E17

    When a villain calling himself the Trickster runs rampant in Central City, Joe and Barry go to Iron Heights to talk with the original Trickster.

    0 Comments
    View all
  10. 9.0/10(7.4k votes)

    #9 - Rogue Air

    Loading...
    S1:E22

    When Harrison activates the particle accelerator, the team has no choice but to evacuate the five metahuman prisoners. Unfortunately, with time running out, Barry has no choice but to turn to Captain Cold for help. Meanwhile, Eddie escapes but has some surprising news for Iris.

    0 Comments
    View all
  11. 9.0/10(5.6k votes)

    #10 - Escape from Earth-2

    Loading...
    S2:E14

    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.

    0 Comments
    View all
    Director:J.J. Makaro
    Writer:N/A
  12. 9.0/10(7.0k votes)

    #11 - The Race of His Life

    Loading...
    S2:E23

    After Zoom reveals his true plan, Barry vows to do whatever it takes to stop him.

    0 Comments
    View all
  13. 9.0/10(5.5k votes)

    #12 - Invasion! (II)

    Loading...
    S3:E8

    When aliens called the Dominators attack Central City, Barry speeds over to Star City to ask the Green Arrow for help in stopping them. Realizing the battle against the Dominators is bigger than they thought, they track down the Legends of Tomorrow, and Barry and Cisco create a breach to bring back a secret weapon – Supergirl. Once all of the super friends are assembled, they come up with a plan to attack but a shocking secret related to Flashpoint is revealed and suddenly no one is sure who they can trust. Meanwhile, Wally wants to join the battle against the aliens but Iris tells him he’s not ready. The crossover starts on Supergirl S02E08 Medusa (I). It continues on Arrow S05E08 Invasion! (III) and DC's Legends of Tomorrow S02E07 Invasion! (IV).

    0 Comments
    View all
    Director:Dermott Downs
    Writer:N/A
  14. 9.0/10(5.0k votes)

    #13 - Infantino Street

    Loading...
    S3:E22

    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.

    0 Comments
    View all
    Writer:N/A
  15. 9.0/10(3.8k votes)

    #14 - What's Past Is Prologue

    Loading...
    S5:E8

    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.

    0 Comments
    View all
  16. 9.0/10(4.0k votes)

    #15 - Elseworlds (I)

    Loading...
    S5:E9

    When Barry Allen and Oliver Queen wake up one morning and realize they have swapped bodies with each other, the two set off to find out what disturbed the timeline to cause such a shift. However, things quickly go from bad to worse when they present their case to Team Flash and the gang doesn’t believe them. Barry and Oliver realize they need Supergirl’s help and travel to Smallville on Earth-38 where they end up meeting Kara’s cousin, Clark Kent, and intrepid reporter, Lois Lane. The crossover continues on Arrow S07E09 Elseworlds (II) and Supergirl S04E09 Elseworlds (III).

    0 Comments
    View all
  17. 9.0/10(6 votes)

    #16 - It's My Party and I'll Die If I Want To

    Loading...
    S9:E9

    Team Flash throws a surprise birthday party for Barry, but things go terribly awry when Ramsey Rosso crashes the festivities.

    0 Comments
    View all
  18. 8.9/10(6.8k votes)

    #17 - Who Is Harrison Wells?

    Loading...
    S1:E19

    Joe and Cisco go to Starling City to ask Quentin Lance for his help investigating the site of Harrison's car accident 15 years ago and determining what really happened. Meanwhile, Eddie is framed for a shooting by a shapeshifing metahuman who can take on the appearance of anyone he touches.

    0 Comments
    View all
  19. 8.9/10(6.1k votes)

    #18 - Legends of Today (I)

    Loading...
    S2:E8

    Vandal Savage arrives in Central City and sets his sights on Kendra Saunders. After Vandal attacks Kendra and Cisco, they turn to Barry for help. Realizing how dangerous Vandal is, Barry takes Kendra to Star City and asks Oliver and team to hide her until he can figure out how to stop Vandal. However, things quickly go from bad to worse when a man with wings AKA Hawkman shows up and flies off with Kendra. Meanwhile, Harrison develops a serum to make Barry run faster and asks Jay to test it out. The crossover continues on Arrow S04E08 Legends of Yesterday (II).

    0 Comments
    View all
    Writer:N/A
  20. 8.9/10(5.6k votes)

    #19 - Flash Back

    Loading...
    S2:E17

    After the shocking revelation that Zoom is Jay Garrick, Barry is more determined than ever to get back to Earth-2 to stop Zoom forever. Desperate to find a way to increase his speed, Barry decides to travel back in time and masquerade as his earlier self in order to get his arch-nemesis, Dr. Harrison Wells/Eobard Thawne, to teach him how to run faster. However, things don’t go as planned and Barry is stunned to face familiar foe Hartley Rathaway, as well as old friend Eddie Thawne. Iris makes peace with her past in order to embrace her future.

    0 Comments
    View all
  21. 8.9/10(4.7k votes)

    #20 - Enter Flashtime

    Loading...
    S4:E15

    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.

    0 Comments
    View all
  22. 8.8/10(5.4k votes)

    #21 - Invincible

    Loading...
    S2:E22

    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.

    0 Comments
    View all
    Director:Jesse Warn
    Writer:N/A
  23. 8.8/10(4.7k votes)

    #22 - I Know Who You Are

    Loading...
    S3:E20

    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.

    0 Comments
    View all
  24. 8.7/10(6.5k votes)

    #23 - Fallout

    Loading...
    S1:E14

    Martin and Ronnie are separated, only to realize that they must learn how to rejoin before Eiling hunts them down and kills them... and the Flash. Meanwhile, Joe shows Barry the 3D images from the Nora Allen crime scene, and Barry asks Martin for advice on time travel.

    0 Comments
    View all
  25. 8.7/10(5.5k votes)

    #24 - Rupture

    Loading...
    S2:E20

    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.

    0 Comments
    View all
  26. 8.7/10(6 votes)

    #25 - A New World (1)

    Loading...
    S9:E10

    As Iris receives word of a career milestone, Barry is suddenly nowhere to be found. In trying to get back home, Barry runs across many familiar faces. Khione continues to figure out her powers, and Chester works on a suit for Allegra.

    0 Comments
    View all

Best Episodes Summary

"Out of Time" is the best rated episode of "The Flash". It scored 9.6/10 based on 15799 votes. Directed by Thor Freudenthal and written by Todd Helbing, Aaron Helbing, it aired on 3/17/2015. This episode scored 0.1 points higher than the second highest rated, "Fast Enough".