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The Best Episodes of Supergirl

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

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Twenty-four-year-old Kara Zor-El, who was taken in by the Danvers family when she was 13 after being sent away from Krypton, must learn to embrace her powers after previously hiding them. The Danvers teach her

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Episode Rankings

  1. #1 Fan Favorite
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    Supergirl Season 3 Episode 6 - Midvale
    8.0/10(2349 votes)

    #1 - Midvale

    S3:E6

    Kara and Alex head home to Midvale for a little R&R. While there, Kara recalls a painful memory of a childhood friend's death and how that traumatic experience brought the Danver sisters closer together.

    Director:Rob J. Greenlea
    Writers:Caitlin Parrish, Jess Kardos

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  2. Supergirl Season 2 Episode 15 - Exodus
    7.6/10(2327 votes)

    #2 - Exodus

    S2:E15

    As Alex searches for Jeremiah and Kara investigates a series of alien kidnappings, the sisters realize they must break the rules to foil a new Cadmus plot. In an effort to get Snapper Carr to run a story that would help her stop Cadmus, Kara agrees to set up an interview between Snapper and Supergirl.

    Director:Michael A. Allowitz
    Writers:Paula Yoo, Eric Carrasco

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  3. Supergirl Season 2 Episode 3 - Welcome to Earth
    7.5/10(2567 votes)

    #3 - Welcome to Earth

    S2:E3

    An attack is made on the President as hot-button, alien vs. human rights issues heat up in National City. Supergirl and the DEO are assigned to protect the President and bring in the responsible party. Alex teams up with Detective Maggie Sawyer to investigate the case while Kara searches for a recently escaped Mon-El, who she fears may be the alien behind the assault.

    Director:Rachel Talalay
    Writers:Derek Simon, Jessica Queller

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  4. Supergirl Season 3 Episode 5 - Damage
    7.5/10(1946 votes)

    #4 - Damage

    S3:E5

    When multiple children get sick from lead poisoning, Morgan Edge points the finger at Lena and blames her creation of the lead bomb she made to save National City from the Daxamites. While Lena knows she never intended any harm, she fears there may have been a flaw in her design, leaving her responsible. Kara teams up with Samantha to clear Lena’s name, but it turns out to be harder than they thought. Meanwhile, Alex and Maggie make a crucial decision about the future of their relationship.

    Director:Kevin Smith
    Writers:Cindy Lichtman, Eric Carrasco

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  5. Supergirl Season 3 Episode 7 - Wake Up
    7.5/10(1940 votes)

    #5 - Wake Up

    S3:E7

    When Winn and the team discover an alien ship has crash landed deep underwater beneath National City, Kara/Supergirl is called in to investigate. Meanwhile, Hank attempts to bond with his father, Myr'nn. Samantha, eager for some understanding of the changes she has been experiencing, looks to her estranged mother, Patricia Arias, for answers.

    Director:Chad Lowe
    Writers:Gabriel Llanas, Anna Musky-Goldwyn

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  6. Supergirl Season 3 Episode 12 - For Good
    7.5/10(1745 votes)

    #6 - For Good

    S3:E12

    Someone tries to kill Morgan Edge and he barely survives. He accuses Lena of being behind the attempt and vows to destroy her. When Lena fears her hatred for Morgan will take her to the Luthor dark side, Kara steps in to help her friend. Meanwhile, after Sam realizes she’s losing time, she confides in Alex who decides to run some medical tests to see if she can find out what’s going on with her new friend.

    Director:Tawnia McKiernan
    Writer:Unknown

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    7. Trending NowTRENDING NOW

    The 20 WORST Episodes of Supergirl

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  7. Supergirl Season 3 Episode 15 - In Search of Lost Time
    7.5/10(1637 votes)

    #7 - In Search of Lost Time

    S3:E15

    Myr'nn inadvertently causes psychic disturbances at the DEO; Supergirl must work with J'onn to contain the chaos; Mon-El begins training Kara in fighting techniques he's learned in the future.

    Director:Andi Armaganian
    Writer:Unknown

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  8. Supergirl Season 4 Episode 16 - The House of L
    7.5/10(1622 votes)

    #8 - The House of L

    S4:E16

    In the wake of Lex Luthor's return, the show flashes back to what he's been doing for the last two years and how his secret machinations and plans have affected Supergirl and Lena.

    Director:Unknown
    Writers:Eric Carrasco, Dana Horgan

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  9. Supergirl Season 2 Episode 1 - The Adventures of Supergirl
    7.4/10(3419 votes)

    #9 - The Adventures of Supergirl

    S2:E1

    When a new threat emerges in National City, Kara/Supergirl teams up with her cousin, Clark Kent/Superman, to stop it. Kara is thrilled to have family in town but it leaves Alex feeling a bit left out. Meanwhile, Hank and Supergirl are stunned by the pod that came crashing to Earth.

    Director:Glen Winter
    Writer:Unknown

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  10. Supergirl Season 2 Episode 11 - The Martian Chronicles
    7.4/10(2120 votes)

    #10 - The Martian Chronicles

    S2:E11

    Armek, a White Martian, descends on National City intent on taking M’gann back to Mars to face her punishment as a traitor. Hank and Supergirl determine the best way to keep M’gann safe is to bring her to the DEO. However, when it is revealed that Armek shape-shifted into M’gann and is now loose in the building, the team realize he could be disguised as any one of them.

    Director:David McWhirter
    Writers:Gabriel Llanas, Anna Musky-Goldwyn

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  11. Supergirl Season 2 Episode 14 - Homecoming
    7.4/10(2148 votes)

    #11 - Homecoming

    S2:E14

    When Jeremiah Danvers is rescued from Cadmus, Alex and Kara are thrilled to have their father back. The Danvers arrange a family dinner to celebrate but things go awry when a suspicious Mon-El starts to question Jeremiah about his sudden return.

    Director:Larry Teng
    Writers:Caitlin Parrish, Derek Simon

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  12. Supergirl Season 2 Episode 22 - Nevertheless, She Persisted
    7.4/10(2306 votes)

    #12 - Nevertheless, She Persisted

    S2:E22

    Supergirl challenges Rhea to battle to save National City. Meanwhile, Superman returns and Cat Grant offers Supergirl some sage advice.

    Director:Glen Winter
    Writer:Unknown

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  13. Supergirl Season 3 Episode 13 - Both Sides Now
    7.4/10(1710 votes)

    #13 - Both Sides Now

    S3:E13

    The DEO captures a second Worldkiller, Purity. Supergirl and Alex use very different methods of interrogation with Purity in the hopes of finding out how to defeat Reign. However, Purity escapes and attacks the city’s subway tunnels. Meanwhile, J’onn, Winn and Mon-El band together to fix the Legion ship.

    Director:Jesse Warn
    Writers:Paula Yoo, Jessica Queller

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  14. Supergirl Season 1 Episode 13 - For The Girl Who Has Everything
    7.3/10(2970 votes)

    #14 - For The Girl Who Has Everything

    S1:E13

    Kara’s friends must find a way to save her life when a parasitic alien attaches itself to her and traps her in a dream world where her family is alive and her home planet was never destroyed. Also, Alex, Hank and the DEO must fend off a Kryptonian attack while Kara is out of commission.

    Director:Dermott Downs
    Writer:Unknown

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  15. Supergirl Season 1 Episode 16 - Falling
    7.3/10(3644 votes)

    #15 - Falling

    S1:E16

    Kara turns on her friends and the citizens of National City after being exposed to Red Kryptonite makes her malicious and dangerous. Also, Cat appears on THE TALK to discuss Supergirl.

    Director:Larry Teng
    Writers:Robert Rovner, Jessica Queller

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  16. Supergirl Season 1 Episode 18 - Worlds Finest
    7.3/10(4505 votes)

    #16 - Worlds Finest

    S1:E18

    Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home.

    Director:Nick Gomez
    Writer:Unknown

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  17. Supergirl Season 2 Episode 21 - Resist
    7.3/10(2093 votes)

    #17 - Resist

    S2:E21

    Supergirl grapples with whether or not to obey the President's orders regarding Rhea's latest actions. Meanwhile, Cat Grant returns to National City.

    Director:Millicent Shelton
    Writers:Derek Simon, Jessica Queller

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  18. Supergirl Season 3 Episode 2 - Triggers
    7.3/10(2003 votes)

    #18 - Triggers

    S3:E2

    Psi, a thief with psychic powers, attacks National City. Able to immobilize people by tapping into their worst fears, Psi proves a formidable opponent for Supergirl. Meanwhile, James and Lena are at an impasse, and Samantha starts her new job at L-Corp.

    Director:David McWhirter
    Writers:Gabriel Llanas, Anna Musky-Goldwyn

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  19. Supergirl Season 3 Episode 10 - Legion of Superheroes
    7.3/10(1824 votes)

    #19 - Legion of Superheroes

    S3:E10

    Struggling to heal from her injuries inflicted by Reign, Supergirl remains in a dreamlike state, unable to be reached. Mon-El recruits one of the Legion members, Brainiac-5, to try to bring her back. Meanwhile, Reign continues her rampage on the city so the DEO teams up with the Legion of Superheroes to try to stop her.

    Director:Jesse Warn
    Writers:Derek Simon, Eric Carrasco

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  20. Supergirl Season 3 Episode 11 - Fort Rozz
    7.3/10(1755 votes)

    #20 - Fort Rozz

    S3:E11

    As Reign continues to terrorize the city, Supergirl teams up with Saturn Girl, and the two recruit Supergirl’s former enemies, Livewire and Psi, to form a team for a mission to Fort Rozz to recover a prisoner who has information on how to defeat Reign once and for all. Meanwhile, Alex babysits Ruby.

    Director:Gregory Smith
    Writers:Gabriel Llanas, Anna Musky-Goldwyn

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  21. Supergirl Season 1 Episode 7 - Human for a Day
    7.2/10(3347 votes)

    #21 - Human for a Day

    S1:E7

    Kara and her friends must rely on their inner strength and courage when an earthquake strikes National City. Also, Alex’s mistrust of Hank reaches a breaking point when the earthquake traps them in the DEO with Jemm, a powerful alien escapee.

    Director:Larry Teng
    Writers:Ted Sullivan, Yahlin Chang

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  22. Supergirl Season 1 Episode 17 - Manhunter
    7.2/10(2833 votes)

    #22 - Manhunter

    S1:E17

    J'onn J'onzz reveals the details of meeting Kara and Alex's father, Dr. Jeremiah Danvers, and assuming Hank Henshaw's identity. Also, Kara debates trusting someone new with her secret identity and Siobhan plots against Kara.

    Director:Chris Fisher
    Writer:Unknown

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  23. Supergirl Season 2 Episode 12 - Luthors
    7.2/10(2358 votes)

    #23 - Luthors

    S2:E12

    After Metallo breaks out of prison and frees Lillian Luthor, the police blame Lena for his escape and arrest her. Despite overwhelming evidence, Kara refuses to believe her friend is guilty and fights to clear Lena’s name. Flashbacks reveal how Lena came to be a Luthor.

    Director:Tawnia McKiernan
    Writers:Cindy Lichtman, Robert Rovner

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  24. Supergirl Season 2 Episode 18 - Ace Reporter
    7.2/10(2022 votes)

    #24 - Ace Reporter

    S2:E18

    Lena’s ex-boyfriend, Jack Spheer, comes to National City to unveil his big breakthrough in nano-technology, which has the potential to eradicate all diseases. Lena asks Kara to attend Jack’s conference with her for support. When Kara sees Snapper in attendance she’s inspired to tap back into her reporter skills and questions Jack on his discovery, which ultimately leads to a bigger investigation that puts everyone in danger.

    Director:Armen V. Kevorkian
    Writers:Paula Yoo, Caitlin Parrish

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  25. Supergirl Season 3 Episode 3 - Far From the Tree
    7.2/10(2004 votes)

    #25 - Far From the Tree

    S3:E3

    Eliza throws Alex and Maggie a wedding shower, which causes Maggie to reach out to her estranged father. Supergirl joins J’onn on a personal mission.

    Director:Dermott Downs
    Writers:Derek Simon, Jessica Queller

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Best Episodes Summary

"Midvale" is the best rated episode of "Supergirl". It scored 8/10 based on 2349 votes. Directed by Rob J. Greenlea and written by Caitlin Parrish, Jess Kardos, it aired on 11/13/2017. This episode scored 0.4 points higher than the second highest rated, "Exodus".