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The Best Episodes of The Flash Season 2

Every episode of The Flash Season 2 ranked from best to worst. Discover the Best Episodes of The Flash Season 2!

Binge this in 15h 41m·Peaking at 9.3/10
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Episode Rankings

  1. #1 Fan Favorite
    The Flash Season 2 Episode 6 - Enter Zoom
    9.3/10(8849 votes)

    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.

    Director:J.J. Makaro
    Writers:Brooke Roberts, Gabrielle Stanton

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  2. The Flash Season 2 Episode 13 - Welcome to Earth-2
    9.2/10(7241 votes)

    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.

    Director:Millicent Shelton
    Writers:Greg Berlanti, Andrew Kreisberg

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  3. The Flash Season 2 Episode 14 - Escape from Earth-2
    9.0/10(6075 votes)

    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.

    Director:J.J. Makaro
    Writer:Unknown

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  4. The Flash Season 2 Episode 23 - The Race of His Life
    9.0/10(7539 votes)

    S2:E23

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

    Director:Antonio Negret
    Writers:Todd Helbing, Aaron Helbing

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  5. The Flash Season 2 Episode 8 - Legends of Today (I)
    8.9/10(6631 votes)

    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).

    Director:Ralph Hemecker
    Writer:Unknown

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  6. The Flash Season 2 Episode 17 - Flash Back
    8.9/10(6041 votes)

    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.

    Director:Alice Troughton
    Writers:Todd Helbing, Aaron Helbing

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  7. The Flash Season 2 Episode 22 - Invincible
    8.8/10(5815 votes)

    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.

    Director:Jesse Warn
    Writer:Unknown

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  8. The Flash Season 2 Episode 20 - Rupture
    8.7/10(5978 votes)

    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.

    Director:Armen V. Kevorkian
    Writers:Kai Yu Wu, Lauren Certo

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  9. The Flash Season 2 Episode 11 - The Reverse-Flash Returns
    8.6/10(5709 votes)

    S2:E11

    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. Meanwhile, Iris and Francine share a nice moment that brings Iris closer to her brother, Wally.

    Director:Michael A. Allowitz
    Writers:Todd Helbing, Aaron Helbing

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  10. The Flash Season 2 Episode 21 - The Runaway Dinosaur
    8.6/10(6070 votes)

    S2:E21

    With Barry gone, the team must figure out a way to handle the return of an old enemy - Girder. Realizing Girder is retracing his steps from his last attack, Iris volunteers to act as bait to trap him in S.T.A.R. Labs. Meanwhile, Barry fights to return to his old life.

    Director:Kevin Smith
    Writer:Zack Stentz

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  11. The Flash Season 2 Episode 2 - Flash of Two Worlds
    8.5/10(6280 votes)

    S2:E2

    Jay Garrick, 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. Barry and the team must decide if they can trust this stranger even as they face yet another powerful meta-human. Meanwhile, Joe must deal with a determined officer named Patty Spivot who wants to join his meta-human task force.

    Director:Jesse Warn
    Writers:Todd Helbing, Aaron Helbing

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  12. The Flash Season 2 Episode 5 - The Darkness and the Light
    8.5/10(5816 votes)

    S2:E5

    Barry learns a new breacher, Dr. Light, has come through the portal and sets off to capture her. Jay tells Barry that Dr. Light was not a threat on Earth-2 and that Barry can reason with her. However, during a fight with The Flash, she blinds him and drops some shocking news about Zoom. Meanwhile, Barry and Patty go out on a date.

    Director:Steve Shill
    Writers:Ben Sokolowski, Grainne Godfree

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  13. The Flash Season 2 Episode 9 - Running to Stand Still
    8.4/10(5356 votes)

    S2:E9

    When Mark Mardon AKA The Weather Wizard returns to break Leonard Snart AKA Captain Cold and James Jesse AKA The Trickster out of Iron Heights, Barry must stop these rogues from taking over Central City during Christmas. Meanwhile, Joe and Iris meet Wally West.

    Director:Kevin Tancharoen
    Writer:Andrew Kreisberg

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  14. The Flash Season 2 Episode 15 - King Shark
    8.3/10(5255 votes)

    S2:E15

    When King Shark escapes from an A.R.G.U.S. holding tank, Lyla and Diggle travel to Central City to warn The Flash. King Shark shows up at the West house and attacks Joe, Iris, Wally and Barry.

    Director:Hanelle M. Culpepper
    Writers:Deric A. Hughes, Benjamin Raab

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  15. The Flash Season 2 Episode 3 - Family of Rogues
    8.2/10(5652 votes)

    S2:E3

    When Barry and the team find out Captain Cold has been kidnapped, they form an uneasy alliance with his sister, Lisa. However, Barry feels double-crossed when he finds out Snart is working with his father, Lewis Snart on a heist. Meanwhile, Joe is faced with a difficult decision.

    Director:John F. Showalter
    Writers:Katherine Walczak, Julian Meiojas

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  16. The Flash Season 2 Episode 1 - The Man Who Saved Central City
    8.1/10(7033 votes)

    S2:E1

    Picking up months after the Singularity attacked Central City, Barry is still struggling to forgive himself for Eddie’s death. Concerned about putting his friends in danger, Barry has pushed everyone away and has chosen to protect the city on his own. When a meta-human named Atom Smasher attacks the city, Iris tells Barry that he needs to let his friends help him protect the citizens of Central City. Meanwhile, Cisco helps Joe with his Meta Task Force.

    Director:Ralph Hemecker
    Writer:Unknown

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  17. The Flash Season 2 Episode 4 - The Fury of Firestorm
    8.1/10(5585 votes)

    S2:E4

    Barry and the team look for another Firestorm match for Dr. Stein. When the team meets Jefferson "Jax" Jackson, Caitlin has her reservations about whether Jax is the right match for Dr. Stein. Iris surprises Joe while Barry and Patty grow closer.

    Director:Stefan Pleszczynski
    Writers:Kai Yu Wu, Joe Peracchio

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  18. The Flash Season 2 Episode 7 - Gorilla Warfare
    8.0/10(5281 votes)

    S2:E7

    Grodd returns to Central City and kidnaps Caitlin. Barry and team race to find her before it’s too late. Meanwhile, Cisco plans his first date with the new barista at Jitters, Kendra Saunders and Patty begins to suspect Barry is hiding something from her.

    Director:Dermott Downs
    Writers:Todd Helbing, Aaron Helbing

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  19. The Flash Season 2 Episode 10 - Potential Energy
    8.0/10(5192 votes)

    S2:E10

    Now that they've grown closer, Barry considers telling Patty that he is The Flash. Meanwhile, Joe and Iris try to get to know Wally, and the team hunts down a meta-human who can slow time itself.

    Director:Rob Hardy
    Writer:Bryan Q. Miller

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  20. The Flash Season 2 Episode 12 - Fast Lane
    8.0/10(4866 votes)

    S2:E12

    Barry teams up with Wells to figure out a way to close the breaches, but they are distracted by a meta-human nicknamed Tar Pit who can transform into liquid asphalt. Iris is concerned for Wally’s safety after she finds out about his drag racing hobby. When he refuses to stop she makes a bold move that puts her in danger.

    Director:Rachel Talalay
    Writer:Unknown

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  21. The Flash Season 2 Episode 16 - Trajectory
    8.0/10(4969 votes)

    S2:E16

    Having arrived in town intent on creating maximum chaos, Trajectory's antics are misinterpreted as having been perpetrated by the Flash himself. Barry thus must quickly uncover the mystery of who is the girl under the mask — as well as what is driving her mad desire for speed and destruction.

    Director:Glen Winter
    Writers:Lilah Vandenburgh, Lauren Certo

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  22. The Flash Season 2 Episode 18 - Versus Zoom
    8.0/10(5830 votes)

    S2:E18

    Equipped with the tachyon device, Barry believes he is fast enough to stop Zoom and wants to open the breaches to catch him. Harry strongly advises against that plan but after Barry convinces him, Harry reveals that Cisco has the power to re-open the breach. Meanwhile, Hunter Zoloman’s painful story on Earth-2 is revealed.

    Director:Stefan Pleszczynski
    Writers:David Kob, Joe Peracchio

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  23. The Flash Season 2 Episode 19 - Back to Normal
    7.3/10(4939 votes)

    S2:E19

    A meta-human with super strength named Griffin Grey mistakes Harry for Earth-1 Harrison Wells and kidnaps him, demanding that Wells cure him from his current condition. Realizing another brilliant Wells could help track Griffin’s location, Barry asks Jesse to help. Meanwhile, Wally corners Joe about The Flash.

    Director:John F. Showalter
    Writers:Brooke Roberts, Katherine Walczak

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Season 2 Ratings Summary

"Enter Zoom" is the best rated episode of The Flash season 2. It scored 9.3/10 from 8,849 votes. Directed by J.J. Makaro and written by Brooke Roberts, Gabrielle Stanton, it aired on November 10, 2015. This episode is rated 0.1 points higher than the second-best, "Welcome to Earth-2".