Supergirl: Season 3 (2017 - 2018)


Season 3
Supergirl

Critics Consensus

Heavier themes lead to higher stakes, but Supergirl gives its eponymous heroine and her fellow supers plenty of room for growth, creating a well-balanced, engaging third season.

78%

TOMATOMETER

Critic Ratings: 15

54%

Audience Score

User Ratings: 841

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Episodes

Air date: Oct 9, 2017

Kara deals with the loss of Mon-El by focusing her energy on being Supergirl and concentrating on a mysterious new threat; Alex confesses a secret to Maggie; a citizen of National City has a mysterious connection to Kara; Lena makes a bold move.

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Air date: Oct 16, 2017

A thief who has psychic powers attacks National City, immobilizing victims by tapping into their worst fears; James and Lena are at an impasse; Samantha starts her new job at L-Corp.

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Air date: Oct 23, 2017

Eliza throws Alex and Maggie a wedding shower; Maggie reaches out to her estranged father; Supergirl joins J'onn on a personal mission.

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Air date: Oct 30, 2017

Kara investigates a new group that has a mysterious connection to Supergirl; Samantha feels like she's letting Ruby down; J'onn confesses an old secret.

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Air date: Nov 6, 2017

Morgan Edge blames Lena's lead bomb when multiple children get sick; Kara teams up with Samantha to clear Lena's name; Alex and Maggie make a decision about their relationship.

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Air date: Nov 13, 2017

Kara and Alex head home to Midvale for a little rest; Kara recalls a painful childhood memory that brought the Danver sisters closer together.

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Air date: Nov 20, 2017

Kara investigates when an alien ship crash lands deep underwater beneath National City; Hank attempts to bond with his father; Samantha looks to her estranged mother for answers.

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Air date: Nov 27, 2017

Barry and Iris' wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony.

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Air date: Dec 4, 2017

Supergirl learns that a mysterious symbol popping up in the city is the mark of the World Killer, Reign; tension between Lena and Morgan Edge continues to build.

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Air date: Jan 15, 2018

Struggling to heal from her injuries inflicted by Reign, Supergirl remains in a dreamlike state, unable to be reached; Mon-El recruits a Legion member to try bringing her back; the DEO teams up with the Legion of Superheroes to try to stop Reign.

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Supergirl: Season 3 Photos

Tv Season Info

Cast & Crew

Melissa Benoist
Kara Danvers

Actor
Chyler Leigh
Alex Danvers

Actor
Mehcad Brooks
James Olsen

Actor
David Harewood
Hank Henshaw

Actor
Jeremy Jordan
Winslow "Winn" Schott

Actor
Chris Wood
Mon-El

Actor
Katie McGrath
Lena Luthor

Actor
Odette Annable
Samantha Arias

Actor
Chad Lowe
Thomas Coville

Guest Star
Jesse Rath
Querl Dox

Guest Star
Floriana Lima
Maggie Sawyer

Guest Star
Carl Lumbly
M'yrnn J'onzz

Guest Star
Betty Buckley
Patricia Arias

Guest Star
Erica Durance
Alura Zor-El

Guest Star
Krys Marshall
Julia Freeman

Guest Star
Anjali Jay
Selena

Guest Star
Amy Jackson
Imra Ardeen

Guest Star
Adrian Pasdar
Morgan Edge

Guest Star
Emma Tremblay
Ruby Arias

Guest Star
Sofia Vassilieva
Olivia

Guest Star
Greg Berlanti
Executive Producer
Ali Adler
Executive Producer
Andrew Kreisberg
Executive Producer
Sarah Schechter
Executive Producer
Chad Lowe
Director
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News & Interviews for Supergirl: Season 3

Critic Reviews for Supergirl: Season 3

Audience Reviews for Supergirl: Season 3

  • Jul 27, 2021
    Really like this season
  • Apr 02, 2021
    I'm not really impressed
  • Feb 23, 2021
    Extremely bad and lazy writing and very mediocre acting. Nothing here makes sense.
  • Feb 02, 2021
    Cried during the finale because of Winn leaving. But great season.
  • Jan 28, 2021
    Terrible writing and acting
  • Sep 29, 2020
    Enjoyed this season, great stories, easy to watch. Just put your brain on a neutral and enjoy it!
  • Aug 09, 2020
    This was awesome but it wasn't the best
  • Aug 03, 2020
    More political and just as much fun, Supergirl is a great show not afraid to tackle big issues.
  • Apr 07, 2020
    not that bad, even in spite of the fact I hated her defeating super man it was entertaining time
  • Mar 03, 2020
    Boring and uninspired. Oh and awful special effects.

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