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TV series

Supergirl

2015TV-146 seasons7.3 / 10

Better. Stronger. Together.

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 to be careful with her powers, until she has to reveal them during an unexpected disaster, setting her on her journey of heroism.

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Streaming, rental and purchase options

Where to watch in United States

Checked Jul 22, 2026

Supergirl is available to stream on Netflix in United States. You can also buy it from Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.

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Synopsis

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 to be careful with her powers, until she has to reveal them during an unexpected disaster, setting her on her journey of heroism.

Cast, crew and production details

About Supergirl

Watch trailerSupergirl (TV) (2015-2021) Trailer

Cast

Melissa BenoistKara Danvers / Supergirl / Kara Zor-El
Chyler LeighAlex Danvers / Sentinel
David HarewoodJ'onn J'onzz / Martian Manhunter
Katie McGrathLena Luthor
Jesse RathQuerl 'Brainy' Dox / Brainiac-5
Nicole MainesNia Nal / Dreamer
Floriana LimaMaggie Sawyer
Azie TesfaiKelly Olsen / Guardian

Credits

Created by
Greg Berlanti, Andrew Kreisberg, Ali Adler

Production details

Status
Ended
Series type
Scripted
Episodes
126
Original language
English

Networks & production

  • CBSUnited States
  • The CWUnited States
  • DC EntertainmentUnited States
  • Berlanti ProductionsUnited States
  • Warner Bros. TelevisionUnited States
  • DCUnited States

Themes

adoringalienarrowversebased on comiccandiddefiantdignifieddramaticearnestempatheticfemale protagonistgentlehopefulinspirational

Season 4 episodes

Watch options above are for the show and may vary by season or episode.

← Season 3

Episode 1

American Alien

42m6.5 / 10

Diving back into reporting, Kara welcomes a new cub reporter to CatCo. Meanwhile, James and Lena argue about James’ impending indictment for acting as the vigilante Guardian, while Alex and Brainy struggle to get in sync at the DEO. Supergirl is called into action when remnants of the anti-alien terrorist organization Cadmus try to assassinate pro-alien leaders, but their endgame turns out to be much more sinister than she expected. J’onn relishes his peaceful new life, but an outing with an old friend causes him concern.

Directed by Jesse WarnWritten by Robert Rovner, Gabriel Llanas, Jessica Queller, Aadrita MukerjiGuest stars Rhona Mitra, Lynda Carter, Vincent Gale, Cardi Wong, Tiya Sircar, Alison Araya, Daya Harris, Takaya Kelly

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Episode 2

Fallout

42m7.1 / 10

A shocking revelation causes chaos in National City. Supergirl sets out to capture Mercy Graves, while Alex takes control at the DEO. Back at CatCo, Kara decides to write an investigative story on Mercy and asks Lena if she can interview her as Mercy has ties to the Luthors. Meanwhile, Brainy meets Nia and the two end up in a precarious situation.

Directed by Harry JierjianWritten by Maria Maggenti, Dana Horgan, Daniel BeatyGuest stars Rhona Mitra, Lynda Carter, Bruce Boxleitner, Mathew Yanagiya, James Kot, Fulvio Cecere, Ese Atawo, David Patrick Green

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Episode 3

Man of Steel

42m7.1 / 10

Ben Lockwood didn't always hate aliens. Through a series of incidents, and input from his anti-alien father, Ben slowly transforms from a mild-mannered professor into the villainous Agent Liberty of today.

Directed by Jesse WarnWritten by Derek Simon, Rob WrightGuest stars Rhona Mitra, Xander Berkeley, Iris Quinn, Raf Rogers, Graham Verchere, Anthony Konechny, Abby Ross, Kareem Malcolm

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Episode 4

Ahimsa

42m6.8 / 10

When Supergirl needs help, Alex asks Lena and Brainiac to team up. Meanwhile, J’onn questions his decision to quit the DEO. However, after running into Manchester Black, he realizes there are a lot of ways to help his fellow aliens during this tumultuous time.

Directed by Armen V. KevorkianWritten by Katie Rose Rogers, Eric Carrasco, Jess KardosGuest stars Rhona Mitra, David Ajala, Bruce Boxleitner, Tiya Sircar, April Parker Jones, Anthony Konechny, Justice Leak, Nick Hunnings

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Episode 5

Parasite Lost

42m6.5 / 10

Colonel Haley makes a surprising decision regarding Supergirl. Kara writes a series of articles highlighting aliens in National City in the hopes that humans will stop being so fearful of them. Unfortunately, the article puts some of the aliens in harm’s way.

Directed by David McWhirterWritten by Aadrita Mukerji, Maria MaggentiGuest stars Michelle Krusiec, Shannon Chan-Kent, Adam Levy, Kwesi Ameyaw, April Parker Jones, Jett Klyne, Anthony Konechny, Robyn Daye Edwards

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Episode 6

Call to Action

42m6.4 / 10

Everyone gathers for Thanksgiving but Kara is feeling down after her televised debate with Ben Lockwood about the anti-alien sentiment coursing through National City. Meanwhile, James and Lena argue about the best way to handle the Children of Liberty.

Directed by Antonio NegretWritten by Gabriel Llanas, Daniel BeatyGuest stars David Ajala, Steve Byers, Graham Verchere, April Parker Jones, Dominique Lucky Martell, Fraser Aitcheson, Jason Bell, Andrea Drepaul

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Episode 7

Rather the Fallen Angel

42m6.6 / 10

James falls in deeper with the Children of Liberty in his efforts to meet Agent Liberty. Meanwhile, Supergirl and Manchester Black follow a lead on Agent Liberty’s location, but things take a dark turn. Lena kicks off her first set of trials.

Directed by Chad LoweWritten by Katie Rose Rogers, Dana HorganGuest stars David Ajala, Steve Byers, Michael Johnston, Rebekah Asselstine, Jason Cermak, Artin John, Eric Regimbald, Timothy Lyle

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Episode 8

Bunker Hill

42m6.7 / 10

Nia has a powerful dream about Agent Liberty but refuses to look at it as a prophetic dream and pushes it aside. After noticing something is bothering Nia, Kara enlists Brainy's help, and the two try to persuade Nia to embrace her destiny. Meanwhile, Manchester Black pays Ben Lockwood a menacing visit.

Directed by Kevin SmithWritten by Eric Carrasco, Rob WrightGuest stars David Ajala, Bruce Boxleitner, LaMonica Garrett, April Parker Jones, Sarah Smyth, Jeffrey Chivers, Timothy Lyle, Jill Morrison

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Episode 9

Elseworlds (III)

43m7.0 / 10Mid Season

Supergirl, The Flash, Green Arrow and Superman engage in the battle of their lives. The crossover starts on The Flash S05E09 Elseworlds (I) and Arrow S07E09 Elseworlds (II).

Directed by Jesse WarnWritten by Robert Rovner, Derek Simon, Marc GuggenheimGuest stars LaMonica Garrett, Carlos Valdes, Danielle Panabaker, Jeremy Davies, Bob Frazer, John Wesley Shipp, Grant Gustin, Stephen Amell

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Episode 10

Suspicious Minds

42m6.3 / 10

Colonel Haley is upset after Supergirl responds to a distress call from a Navy ship that turned out to be a deadly alien attack. Colonel Haley reclaims the site as DEO territory and demands that Supergirl step aside. After Supergirl refuses to be told what to do, Haley refocuses her energy on finding out Supergirl's true identity and begins to interrogate all DEO agents, including Alex. Meanwhile, Brainiac-5 tries to persuade Nia to embrace her superpowers but she misinterprets his motives.

Directed by Rachel TalalayWritten by Gabriel Llanas, Maria MaggentiGuest stars Graeme Guthrie, Russell Wong, April Parker Jones, Bethany Brown, Jojo Ahenkorah, Mehdi Darvish, Hamza Fouad, Sue Ing

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Episode 11

Blood Memory

42m6.5 / 10

Kara joins Nia on a trip to Nia's hometown to visit her family during the town's annual Harvest Festival. While home, Nia's mother encourages her daughter to embrace her destiny. Meanwhile, Alex deals with a street drug that is turning people violent and giving them temporary superpowers.

Directed by Shannon KohliWritten by Jessica QuellerGuest stars Lukas Gage, Brennan Mejia, Garwin Sanford, Tedra Rogers, Brian Cyburt, Maya Macatumpag, Mike McLeod, Madison Smith

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Episode 12

Menagerie

42m6.3 / 10

With his P.I. shingle newly hung outside his office, J'onn welcomes new clients. Trying to take her mind off what happened at the DEO, Kara decides to team up with J'onn on his latest assignment, which unfortunately ends up tying directly into Alex's current investigation that involves the villain Menagerie. Meanwhile, Lena shares some news with James, but his reaction isn't what she expected. Nia invites Brainy to her Valentine's Day party.

Directed by Stefan PleszczynskiWritten by Robert Rovner, Daniel BeatyGuest stars Bruce Boxleitner, Jessica Meraz, Graham Verchere, April Parker Jones, Greta Carew-Johns, Sarah Smyth, Melice Bell, Zack Currie

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Episode 13

What's So Funny About Truth, Justice, and the American Way?

42m6.4 / 10

Manchester Black breaks out of prison with the help of his new team, The Elite, who are set on punishing the anti-alien forces. Supergirl pulls double duty as she tries to apprehend Manchester Black and his team as well as deal with a shocking new development with Ben Lockwood.

Directed by Alexis OstranderWritten by Eric Carrasco, Aadrita MukerjiGuest stars David Ajala, Bruce Boxleitner, Louis Ozawa, Jessica Meraz, April Parker Jones, Elinet Louicius, Hugo Raymundo, Mark Sussman

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Episode 14

Stand and Deliver

42m6.4 / 10

Between Ben Lockwood’s new push to stir up the anti-alien movement and the Elite’s desire to target Lockwood and his minions, Supergirl is concerned about the safety of the American people – both human and alien. When Lockwood organizes a rally, the aliens decide to peacefully protest. Brainiac and J’onn join the alien march while Supergirl and Dreamer patrol to keep everyone safe. Meanwhile, James picks up his camera again to cover the march for CatCo, and Hayley assigns Alex a job that clashes with her beliefs. When The Elite and Ben Lockwood stir up trouble at the rally, Supergirl is forced to take a stand.

Directed by Andi ArmaganianWritten by Rob Wright, Jess KardosGuest stars David Ajala, Jonathan Bennett, Louis Ozawa, Jessica Meraz, April Parker Jones, Paul Almeida, Adam Ballantyne, Stephanie Cho

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Episode 15

O Brother, Where Art Thou?

42m6.7 / 10

Secretly furloughed from prison due to failing health, Lex Luthor visits his sister, Lena, to seek her help finding a cure. Savvy as ever, Lena is suspicious of Lex's motives but when she's faced with a life and death situation, she must decide how she truly feels about her brother. Meanwhile, Supergirl and J'onn face off against Manchester Black. James' sister Kelly comes to town.

Directed by Tawnia McKiernanWritten by Derek Simon, Nicki HolcombGuest stars Azie Tesfai, David Ajala, William MacDonald, Byron Brisco, Christina Lewall, Lincoln McGowan, Amos Stern, Andrea Brooks

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Episode 16

The House of L

42m7.4 / 10

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.

Written by Eric Carrasco, Dana HorganGuest stars Gabriel Gurevich, Candus Churchill, Casey Dudley, Arran Henn, Rady Panov, Sasha Piltsin, Alex Vishniakoff, V.G. Winter

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Episode 17

All About Eve

42m6.1 / 10

Supergirl must deal with the destructive aftermath of Lex's nefarious plans. Shocked at what Lex has created, Supergirl faces her biggest challenge yet.

Directed by Ben Hernandez BrayWritten by Katie Rose Rogers, Gabriel Llanas, Brooke PohlGuest stars Azie Tesfai, Bruce Boxleitner, Jill Morrison, Graham Verchere, April Parker Jones, Carl Lumbly, Karin Konoval, Sunny Chen

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Episode 18

Crime and Punishment

42m6.4 / 10

Kara and Lena head to Stryker's Island to search for clues on how to defeat Lex. At the prison, Kara tries to befriend a nosy prisoner, Steve, who may have insight into what Lex was doing, while Lena studies an array of puzzles Lex left behind in the hopes of discovering his whereabouts. While there, a prison riot breaks out and Kara must find a way to stop the prisoners without revealing her secret identity as Supergirl. Meanwhile, Kelly encourages James to talk to someone for his PTSD, and Alex faces off against Ben Lockwood after he storms the DEO and acquires some powerful weapons to hunt Supergirl.

Directed by Antonio NegretWritten by Aadrita Mukerji, Lindsay Sturman, Rob WrightGuest stars Azie Tesfai, Bruce Boxleitner, April Parker Jones, Mia Fiona Kut, Willie Garson, Parveen Dosanjh, Reese Alexander, William Belleau

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Episode 19

American Dreamer

42m6.2 / 10

As Kara doggedly works as a reporter to clear Supergirl's name, Dreamer picks up the slack as National City's protector, which leads to a showdown with Ben Lockwood. James takes drastic measures to relieve his PTSD.

Directed by David HarewoodWritten by Dana Horgan, Daniel Beaty, Jess KardosGuest stars Azie Tesfai, Graham Verchere, Dylan Poyser, Ryan S Williams, Carl Lumbly, Sarah Smyth, Emily Tennant, Adam Ballantyne

Where to watch Supergirl

Episode 20

Will The Real Miss Tessmacher Please Stand Up?

42m6.2 / 10

Kara and Lena head to Kaznia to hunt down Lex. However, Eve Tessmacher sets a trap for the duo that could ultimately reveal that Kara is Supergirl. Meanwhile, Alex gets a long-awaited phone call, James practices using his powers, and Ben Lockwood takes a dangerous stand inside the DEO.

Directed by Shannon KohliWritten by Derek Simon, Katie Rose RogersGuest stars Azie Tesfai, Bruce Boxleitner, Graham Verchere, Donna Benedicto, Michael Adamthwaite, Christine Bortolin, Andrea Brooks

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Episode 21

Red Dawn

42m6.7 / 10

Kara comes face to face with Red Daughter and the two engage in an epic battle. Determined to find a way to extract the Harun-El, Lena turns to an unlikely source for help - Lillian Luthor. Meanwhile, Alex realizes she's missing parts of her memory, and Brainy, Nia and J'onn set out to track down aliens who have been abducted by Lex.

Directed by Alexis OstranderWritten by Eric Carrasco, Gabriel Llanas, Lindsay SturmanGuest stars Azie Tesfai, Bruce Boxleitner, April Parker Jones, Izabela Vidovic, Olivia Nikkanen, Mark Krysko, Al McFoster, J.C. Roy

Where to watch Supergirl

Episode 22

The Quest for Peace

42m6.4 / 10Finale

Lex Luthor descends upon Washington, DC and summons Lena and Lillian Luthor to the White House. Supergirl realizes she has one last chance to stop Lex and turns to the power of the press to help her.

Directed by Jesse WarnWritten by Derek Simon, Robert Rovner, Jessica Queller, Rob WrightGuest stars Azie Tesfai, Bruce Boxleitner, LaMonica Garrett, Graham Verchere, April Parker Jones, Phil LaMarr, Françoise Robertson, Patti Allan

Where to watch Supergirl

Episode information updated Jul 22, 2026

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