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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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.
Season 3 episodes
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Kara deals with the loss of Mon-El by focusing all her energy on being Supergirl and the mysterious new threat against National City. Alex confesses a secret to Maggie about their impending nuptials. A citizen of National City has a mysterious connection to Kara, and Lena makes a bold move.
Episode credits
Directed by Jesse WarnWritten by Robert Rovner, Andrew Kreisberg, Caitlin ParrishGuest stars Floriana Lima, Calista Flockhart, Adrian Pasdar, David St. Louis, Jeremy Burtenshaw, Jesse Chongo, Carlen Escarraga, Gelsea Mae
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.
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Directed by David McWhirterWritten by Gabriel Llanas, Anna Musky-GoldwynGuest stars Floriana Lima, Yael Grobglas, Derick Agyemang, Nicole Anthony, Ken Godmere, Chelsea Gill, David Lennon, Norman Misura
Kara investigates a secretive new group whose leader, Thomas Coville, has a mysterious connection to Supergirl. Meanwhile, Samantha feels like she's letting Ruby down, and J'onn confesses an old secret.
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Directed by Jesse WarnWritten by Paula Yoo, Katie Rose RogersGuest stars Floriana Lima, Sage Brocklebank, David Carzell, Nick Fontaine, Cameron Forbes, Hyuma Frankowski, Meghan Gardiner, Khaira Ledeyo
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.
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Directed by Kevin SmithWritten by Cindy Lichtman, Eric CarrascoGuest stars Floriana Lima, Adrian Pasdar, Bob Frazer, Emy Aneke, Shauna Hansen, Octavian Kaul, Robert Parent, Sukh Singh
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.
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Directed by Rob J. GreenleaWritten by Caitlin Parrish, Jess KardosGuest stars Erica Durance, Ivan Mok, Eliana Jones, Carolyn Anderson, Mik Byskov, Ryleigh Gillespie, Dawson Alexander Holmes, Gavin Langelo
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.
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Directed by Chad LoweWritten by Gabriel Llanas, Anna Musky-GoldwynGuest stars Georgia Hacche, Andres Joseph, Emma Tremblay, Amy Jackson, Anjali Jay, Carl Lumbly, Betty Buckley
Barry and Iris’s wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony. All of the superheroes band together with help from their super friends like Citizen Cold, The Ray, Felicity Smoak, Iris West and Alex Danvers to take on their most formidable villains yet. Earth’s mightiest heroes – Green Arrow, Supergirl, The Flash and White Canary – lead their teams into battle to save the world. The crossover continues on Arrow S06E08 Crisis on Earth-X (II), The Flash S04E08 Crisis on Earth-X (III) and DC's Legends of Tomorrow S03E08 Crisis on Earth-X (IV).
Episode credits
Directed by Larry TengWritten by Jessica Queller, Robert Rovner, Andrew Kreisberg, Marc GuggenheimGuest stars Emily Bett Rickards, Danielle Nicolet, Keiynan Lonsdale, Jesse L. Martin, Candice Patton, Dominic Purcell, Patrick Sabongui, Victor Garber
Supergirl investigates a mysterious symbol popping up all over National City, tracing its origins back to an ancient prophecy and the mark of the World Killer, Reign. Meanwhile, the tension between Lena and Morgan Edge continues to build, causing James to step in and offer up some protection, and possibly igniting a spark in the process.
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Directed by Glen WinterWritten by Paula Yoo, Caitlin ParrishGuest stars Adrian Pasdar, Emma Tremblay, Amy Jackson, Andre Anthony, Erica Durance, Laura K. MacDonald, Patrick Rinehart, Alison Thornton
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.
Episode credits
Directed by Jesse WarnWritten by Derek Simon, Eric CarrascoGuest stars Jesse Rath, Emma Tremblay, Amy Jackson, Anjali Jay, Chad Lowe
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.
Episode credits
Directed by Gregory SmithWritten by Gabriel Llanas, Anna Musky-GoldwynGuest stars Jesse Rath, Brit Morgan, Yael Grobglas, Sarah Douglas, Krys Marshall, Emma Tremblay, Amy Jackson, Ella A. Thomas
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.
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Directed by Tawnia McKiernanWritten by Cindy Lichtman, Robert Rovner, Alix SternbergGuest stars Adrian Pasdar, Krys Marshall, Paige Gibbs, David Forts, Berlin Lu, Andrea Brooks, Brenda Strong
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.
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Directed by Jesse WarnWritten by Paula Yoo, Jessica QuellerGuest stars Herbert Duncanson, Andrew Nadanyi, Krys Marshall, Emma Tremblay, Amy Jackson, Anjali Jay
When Winn’s father dies, his estranged mother, Mary, reappears trying to reconnect and to explain why she abandoned him all those years ago. Winn is too embittered from his rough childhood to forgive her but when a copycat Toyman attacks, the two must work together to stop him. Mon-El tells Kara something important about the Worldkillers, and Alex becomes suspicious of Myr'nn’s recent behavior.
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Directed by Glen WinterWritten by Caitlin Parrish, Derek SimonGuest stars Brooke Smith, Gaalen Engen, Laurie Metcalf, Carl Lumbly
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.
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Directed by Andi ArmaganianWritten by Katie Rose Rogers, Eric Carrasco, Nicki HolcombGuest stars Laurie Metcalf, Rochelle Okoye, Glenn Ennis, Krys Marshall, Carl Lumbly, Paul Lazenby, Curtis Lum
Supergirl and Imra have different ideas on how to stop the third Worldkiller, Pestilence. However, when both Alex and Winn are seriously injured by Pestilence, Supergirl and Imra team up to stop the destruction.
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Directed by Alexandra La RocheWritten by Gabriel Llanas, Anna Musky-GoldwynGuest stars Jesse Rath, Taylor Hastings, Laurie Murdoch, Jennifer Tong, Kelly Ann Woods, Krys Marshall, Amy Jackson, Fred Henderson
Still reeling after learning about Lena’s secret, Supergirl asks Guardian for a favor that could alter his relationship with Lena forever. Meanwhile, with all three Worldkillers united, Supergirl and the team brace for an epic battle.
When Reign starts hunting Ruby, Supergirl and Alex work together to keep her safe. Supergirl and J'onn look to Sam’s mother for advice on how to stop Reign and come away with some shocking news.
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Directed by Antonio NegretWritten by Robert Rovner, Lindsay Gelfand, Allison WeintraubGuest stars Jesse Rath, Cynthia Stevenson, Nesta Cooper, Emma Tremblay, Amy Jackson, Em Haine, Angela Zhou, Carl Lumbly
When Tanya, a disciple of Coville's, escapes from what's left of his cult, she gives Kara and James a journal that could hold the key to saving Sam. Someone learns Guardian's identity and threatens to expose James if he doesn't do what they ask. James contemplates what it means to be a black vigilante without a mask in America.
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Directed by Mairzee AlmasWritten by Paula Yoo, Eric CarrascoGuest stars Sofia Vassilieva, Nesta Cooper, Emma Tremblay, Carl Lumbly, Nickolas Baric, Ryan McNeill Bolton, Bryan Demore, Darren E. Scott
Supergirl is stunned to discover that a part of Krypton survived. Meanwhile, Alex is attacked while out with Ruby, and Lena considers how far she will go to keep Reign contained.
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Directed by Hanelle M. CulpepperWritten by Derek Simon, Katie Rose RogersGuest stars David Chisum, Tim Russ, Emma Tremblay, Erica Durance, Anjali Jay, Carrie Anne Fleming, Celeste White Steele, Corey Schmitt
Kara makes a major life decision. Meanwhile, J'onn finds out that special DEO-caliber guns have hit the streets of National City.
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Directed by Dermott DownsWritten by Gabriel Llanas, Anna Musky-GoldwynGuest stars Michael Reilly Burke, Bradley White, Emma Tremblay, Esmé Bianco, Erica Durance, Anjali Jay, Brenda Crichlow, Carrie Anne Fleming
Supergirl learns the true depth of Selena's nefarious plans for Earth. Supergirl, Mon-El and Alura must devise a plan to stop her before Selena gets to Earth. J'onn prepares to say goodbye to his father.
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Directed by Armen V. KevorkianWritten by Cindy Lichtman, Ray UtarnachittGuest stars Emma Tremblay, Esmé Bianco, Erica Durance, Anjali Jay, Carl Lumbly, Winsome Brown, Curtis Lum, Chad Lowe
Supergirl and team take on Selena in an epic battle for Earth.
Episode credits
Directed by Jesse WarnWritten by Robert Rovner, Jessica QuellerGuest stars Jesse Rath, Emma Tremblay, Amy Jackson, Erica Durance, Anjali Jay, Carl Lumbly, Winsome Brown, Barbara Patrick
