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The Best Episodes of Supergirl Season 6

Every episode of Supergirl Season 6 ranked from best to worst. Discover the Best Episodes of Supergirl Season 6!

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Episode Rankings

  1. #1 Fan Favorite
    Supergirl Season 6 Episode 1 - Rebirth
    7.4/10(1724 votes)

    S6:E1

    As Brainiac lays close to death after trying to stop Lex, Supergirl and team soar in to save him, engaging in an epic battle with Gamemnae. After beating Leviathan, Supergirl turns her attention to Lex who has used the Obsidian platform to brainwash half the world to love him and follow him at all costs, no matter what horrible things he does. Knowing how dangerous this makes her brother, Lena enlists the entire team – Alex, J’onn , Dreamer, Kelly and Brainiac – to help, but Supergirl realizes that the only way to truly stop Lex is to sacrifice herself.

    Director:Jesse Warn
    Writer:Unknown

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  2. Supergirl Season 6 Episode 5 - Prom Night! (1)
    7.2/10(1072 votes)

    S6:E5

    Nia and Brainy attempt to save Supergirl from the Phantom Zone by time traveling back to Kara's home in 2009. While determined to secure the item needed to help Supergirl, Brainy is worried about keeping a low profile so as not to alter the future timeline. However, when their ship crashes upon arrival, a young Kara Danvers is the first on the scene. Meanwhile, a young reporter named Cat Grant sets her sights on Midvale as she suspects there is a big story in the small town.

    Director:Alexandra La Roche
    Writers:Rob Wright, Jess Kardos

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  3. Supergirl Season 6 Episode 6 - Prom Again! (2)
    7.2/10(1017 votes)

    S6:E6

    Part two of the flashback episodes pick up where things left off - Young Kara experiences kryptonite for the first time, Nia and Brainy are trapped by invading aliens, and a young Cat Grant may be the reason Supergirl never gets out of the Phantom Zone.

    Director:Chyler Leigh
    Writers:Rob Wright, Jess Kardos

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  4. Supergirl Season 6 Episode 13 - The Gauntlet
    7.2/10(1386 votes)

    S6:E13

    Supergirl and team race Nyxly for control of a magical totem that controls courage. Supergirl and Nyxly battle and each get a piece of the totem but learn the first person to pass the test of courage will gain control of the entire thing. Meanwhile, Lena is still struggling to make sense of her newfound gift.

    Director:Tawnia McKiernan
    Writer:Unknown

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  5. Supergirl Season 6 Episode 14 - Magical Thinking
    7.1/10(1229 votes)

    S6:E14

    Lena is uncertain about using her magical abilities to help Supergirl retrieve the second totem from Nyxly. William struggles to write a story on the Super Friends that makes both the heroes and Andrea happy. Meanwhile, Kelly is thrilled Esme has found a new home, but things go awry and the little girl's future is put in danger.

    Director:Simon Burnett
    Writers:Derek Simon, Karen Maser

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  6. Supergirl Season 6 Episode 3 - Phantom Menaces
    7.0/10(1163 votes)

    S6:E3

    Supergirl makes a new ally. Lena and Lex battle for control of Luthor Corp.

    Director:Sudz Sutherland
    Writers:Dana Horgan, Emilio Ortega Aldrich

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  7. Supergirl Season 6 Episode 4 - Lost Souls
    7.0/10(1098 votes)

    S6:E4

    Supergirl finds an opportunity to escape from the Phantom Zone but it comes with some dangerous strings attached. Meanwhile, Lena joins the Super Friends on a mission but finds she disagrees with their plan of action against the Phantoms and wonders if she is truly ready to be a part of the team.

    Director:Alysse Leite-Rogers
    Writers:Nicki Holcomb, Karen Maser

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  8. Supergirl Season 6 Episode 17 - I Believe in a Thing Called Love
    6.9/10(868 votes)

    S6:E17

    When Lex Luthor appears by Nyxly's side, Supergirl and team must deal with the emotional fallout of facing their two biggest foes at the same time. Alex makes plans for the perfect proposal to Kelly, but work keeps getting in the way.

    Director:Jesse Warn
    Writers:Dana Horgan, Nicki Holcomb

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  9. Supergirl Season 6 Episode 8 - Welcome Back, Kara
    6.8/10(1019 votes)

    S6:E8

    As Supergirl and Zor-El make their return to National City, they are determined to keep the Phantom Zone behind them and enjoy being superheroes together. Unfortunately, their overzealous efforts backfire, creating a whole new threat to National City.

    Director:Armen V. Kevorkian
    Writers:Dana Horgan, Jay Faerber

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  10. Supergirl Season 6 Episode 11 - Mxy in the Middle
    6.8/10(945 votes)

    S6:E11

    Supergirl and team must stop Nyxly from vanquishing a familiar face from Supergirl's past - Mr. Mxyzptlk. Mxy returns and explains Nyxly's dark history to the super team in the best way he knows how - in song form. Meanwhile, Lena visits her mother's birthplace in Newfoundland, eager to dig into her past but is shocked by the small town's icy reception towards her.

    Director:Glen Winter
    Writer:Unknown

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  11. Supergirl Season 6 Episode 15 - Hope for Tomorrow
    6.8/10(912 votes)

    S6:E15

    Supergirl continues to fight Nyxly for the remaining totems but after Nyxly kidnaps William, Supergirl realizes she needs to take a more proactive stance to keep National City safe. Meanwhile, Alex faces the biggest challenge of her life.

    Director:Tawnia McKiernan
    Writer:Unknown

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  12. Supergirl Season 6 Episode 7 - Fear Knot
    6.7/10(1012 votes)

    S6:E7

    As the Super Friends brave the Phantom Zone to bring Supergirl home, each member of the team is confronted by visions of their worst fear.

    Director:David Harewood
    Writers:J. Holtham, Elle Lipson

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  13. Supergirl Season 6 Episode 2 - A Few Good Women
    6.6/10(1200 votes)

    S6:E2

    As the stakes with Lex are raised higher than ever before, Lena must decide how far she is willing to go to stop her brother. Meanwhile, Supergirl and the team are faced with a challenge unlike anything they've ever dealt with before and it brings Alex to her breaking point.

    Director:Jesse Warn
    Writers:Derek Simon, Elle Lipson

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  14. Supergirl Season 6 Episode 9 - Dream Weaver
    6.6/10(932 votes)

    S6:E9

    Kelly meets Joey, a young orphaned alien boy, who is acting out in foster care because he fears there is something wrong with his brother Orlando, who is incarcerated. Kelly asks Kara to help her investigate and they stumble upon abuse at the prison. Meanwhile, Nyxly crashes one of Nia's dreams and asks her for help.

    Director:Shannon Kohli
    Writers:Karen Maser, Emilio Ortega Aldrich

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  15. Supergirl Season 6 Episode 18 - Truth or Consequences
    6.4/10(1080 votes)

    S6:E18

    Supergirl is determined to keep everyone safe from Lex and Nyxly so she doubles down on patrol, especially as Alex and Kelly's bachelorette party is coming up. Alex is torn between duty and finally allowing herself the time to enjoy her new family. Brainy receives heartbreaking news, and William clashes with Andrea over her recent coverage of Lex.

    Director:David McWhirter
    Writer:Unknown

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  16. Supergirl Season 6 Episode 19 - The Last Gauntlet
    6.4/10(916 votes)

    S6:E19

    Supergirl and the super friends take drastic action after a loved one is kidnapped by Nyxly and Lex. An unlikely ally steps in to help the team.

    Director:Glen Winter
    Writer:Unknown

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  17. Supergirl Season 6 Episode 20 - Kara
    6.4/10(1438 votes)

    S6:E20

    Supergirl is joined by familiar faces from the past to help her stop Lex and Nyxly for good. Meanwhile, Alex and Kelly prepare to walk down the aisle.

    Director:Jesse Warn
    Writer:Unknown

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  18. Supergirl Season 6 Episode 10 - Still I Rise
    6.3/10(893 votes)

    S6:E10

    Supergirl intervenes when a building in the Heights that was set aside for low income housing is suddenly at risk to be sold to a major corporation. Supergirl recruits Orlando to help her win over the city, but things go awry when Nyxly shows up. Meanwhile, Nia trains with her mother.

    Director:Jesse Warn
    Writer:Unknown

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  19. Supergirl Season 6 Episode 16 - Nightmare in National City
    6.3/10(938 votes)

    S6:E16

    Kara lands her dream story for Catco but when the city is suddenly attacked by a nightmare monster at the same time as her interview, she is forced to take a serious look at her life and decide if she can continue to live as both Kara and Supergirl. As Dreamer takes the lead on the search for the Dream Totem, which can vanquish they nightmare monster in National City, she realizes she needs to ask her sister Maeve for help.

    Director:Eric Dean Seaton
    Writers:Rob Wright, Jess Kardos

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  20. Supergirl Season 6 Episode 12 - Blind Spots
    5.6/10(1881 votes)

    S6:E12

    Kelly is horrified when the Ormfell building implodes, injuring many in the community, including Joey. However, her horror quickly turns to frustration when she realizes that the hospital is overwhelmed, people are getting sicker, and no one is coming to help - including Supergirl who is busy fighting Nyxly. Knowing that she can make a difference, Kelly embraces her power and fully steps into her role as Guardian. Joined by Supergirl, Alex, Diggle and team, Guardian leads the way to restoring justice to the fallen community.

    Director:David Ramsey
    Writers:J. Holtham, Azie Tesfai

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Season 6 Ratings Summary

"Rebirth" is the best rated episode of Supergirl season 6. It scored 7.4/10 from 1,724 votes. Directed by Jesse Warn and written by Unknown, it aired on March 30, 2021. This episode is rated 0.2 points higher than the second-best, "Prom Night! (1)".