Supergirl (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: 289

54%

Audience Score

User Ratings: 897

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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

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Cast & Crew

Melissa Benoist profile thumbnail image
Melissa Benoist
Kara Danvers

Actor
Chyler Leigh profile thumbnail image
Chyler Leigh
Alex Danvers

Actor
Mehcad Brooks profile thumbnail image
Mehcad Brooks
James Olsen

Actor
David Harewood profile thumbnail image
David Harewood
Hank Henshaw

Actor
Jeremy Jordan profile thumbnail image
Jeremy Jordan
Winslow "Winn" Schott

Actor
Chris Wood profile thumbnail image
Chris Wood
Mon-El

Actor
Katie McGrath profile thumbnail image
Katie McGrath
Lena Luthor

Actor
Odette Annable profile thumbnail image
Odette Annable
Samantha Arias

Actor
Chad Lowe profile thumbnail image
Chad Lowe
Thomas Coville

Guest Star
Jesse Rath profile thumbnail image
Jesse Rath
Querl Dox

Guest Star
Floriana Lima profile thumbnail image
Floriana Lima
Maggie Sawyer

Guest Star
Carl Lumbly profile thumbnail image
Carl Lumbly
M'yrnn J'onzz

Guest Star
Betty Buckley profile thumbnail image
Betty Buckley
Patricia Arias

Guest Star
Erica Durance profile thumbnail image
Erica Durance
Alura Zor-El

Guest Star
Krys Marshall profile thumbnail image
Krys Marshall
Julia Freeman

Guest Star
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Anjali Jay
Selena

Guest Star
Amy Jackson profile thumbnail image
Amy Jackson
Imra Ardeen

Guest Star
Adrian Pasdar profile thumbnail image
Adrian Pasdar
Morgan Edge

Guest Star
Emma Tremblay profile thumbnail image
Emma Tremblay
Ruby Arias

Guest Star
Sofia Vassilieva profile thumbnail image
Sofia Vassilieva
Olivia

Guest Star
Greg Berlanti profile thumbnail image
Greg Berlanti
Executive Producer
Allison Adler profile thumbnail image
Allison Adler
Executive Producer
Andrew Kreisberg profile thumbnail image
Andrew Kreisberg
Executive Producer
Sarah Schechter profile thumbnail image
Sarah Schechter
Executive Producer
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News & Interviews for Supergirl

Critic Reviews for Supergirl: Season 3

Audience Reviews for Supergirl: Season 3

  • Jan 24, 2023
    Season was supergirl at its best
  • Nov 23, 2022
    It's a absolutely season of action packed adventure nd rewatchable scene boombastock🌟♥️👌😃
  • May 29, 2022
    Not a bad third season. Admittedly weaker than the first two seasons and it doesn't really have much consistency at times, but for what it is, engaging and fun to watch, and it is nice to see some familiar faces return for an encore.
  • May 04, 2022
    BEST SEASON OF THE SHOW!
  • Nov 17, 2021
    The best season of Supergirl. The darker tone of the story was interresting. Reign was VERY interresting. The other vilains are OK. The writting still need some improvement but its MUCH better then what season 1 and 2 gave us. The season had a few less impressive episodes by the end but it was still entertaining. The legion of super heroes was amazing. Can't wait to rewatch the season! john gets his best season. mon-el was great again. One negative i see is the whole maggy-alex relationship, it dragged down the show A LOT. Another negative i see is how trust issues comeback as lazy story build mecanism.
  • Nov 10, 2021
    Started off decent with Kara's emotional story then completely flubbed the landing. And the show never recovers afterwards, it got worse and worse until the very end. They simply stopped caring about Kara altogether.
  • Oct 30, 2021
    Season 3 was probably the most boring and forgettable season in the show. I actually had to look up on Wikipedia what episodes belonged to it, and it has only been a month since I watched it. In fact it was so boring that I used it as a background sound while I did my college projects. And the amount of chit-chat in it, argh! I decided to skip all the talking and only seeing the actual action scenes (which is, in case you're Warner Bros, basically what we actually watch superhero shows for), and ended up finishing each episode in hardly 5 minutes. There was something about a Kryptonian woman who decided to go evil because the voices inside her head compelled her to do so. Also Mon-El came back so everything that happened in the climax of the previous season goes down the drain. Although this wasn't a straight-up dumpster fire, provided Brainiac finally comes in it, Mon-El gets his comic costume and the action scene is still meaningful. There was also the Crisis on Earth-X, which is really annoying because it's the very reason why I have to watch it in the first place; otherwise I will not be able to understand Arrow and The Flash.
  • Oct 30, 2021
    Tuvo mucho dolor y tristeza
  • Jul 27, 2021
    Really like this season
  • Apr 02, 2021
    I'm not really impressed

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