64 Available, 66 Aired
Last Aired S04E01 on Oct 14, 2018
64 episodes available of 66 aired
5.8 (753 Ratings)
42 Min

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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All Supergirl (2015) Episodes

Supergirl Seasons

  1. Watch Supergirl Season 4 S04
    1 of 1 Ep. Available 2018(Still Airing)
  2. 21 of 23 Ep. Available 2017
  3. 22 of 22 Ep. Available 2016
  4. 20 of 20 Ep. Available 2015

Supergirl Episodes

  1. 3
    Not Available Airing on Oct 28, 2018
  2. 2
    Not Available Airing on Oct 21, 2018
  3. 1 Watch Supergirl S04E01 online - The American Alien
    Available Aired on Oct 14, 2018
  1. 23
    Not Available Aired on Jun 18, 2018
  2. 22
    Not Available Aired on Jun 11, 2018
  3. 21
    Available Aired on Jun 04, 2018
  4. 20
    Available Aired on May 28, 2018
  5. 19
    Available Aired on May 21, 2018
  6. 18
    Available Aired on May 14, 2018
  7. 17
    Available Aired on May 07, 2018
  8. 16
    Available Aired on Apr 29, 2018
  9. 15
    Available Aired on Apr 23, 2018
  10. 14
    Available Aired on Apr 16, 2018
  11. 13
    Available Aired on Feb 05, 2018
  12. 12
    Available Aired on Jan 29, 2018
  13. 11
    Available Aired on Jan 22, 2018
  14. 10
    Available Aired on Jan 15, 2018
  15. 9
    Available Aired on Dec 04, 2017
  16. 8
    Available Aired on Nov 27, 2017
  17. 7
    Available Aired on Nov 20, 2017
  18. 6
    Available Aired on Nov 13, 2017
  19. 5
    Available Aired on Nov 06, 2017
  20. 4
    Available Aired on Oct 30, 2017
  21. 3
    Available Aired on Oct 23, 2017
  22. 2
    Available Aired on Oct 16, 2017
  23. 1
    Available Aired on Oct 09, 2017
  1. 22
    Available Aired on May 22, 2017
  2. 21
    Available Aired on May 15, 2017
  3. 20
    Available Aired on May 08, 2017
  4. 19
    Available Aired on May 01, 2017
  5. 18
    Available Aired on Apr 24, 2017
  6. 17
    Available Aired on Mar 27, 2017
  7. 16
    Available Aired on Mar 20, 2017
  8. 15
    Available Aired on Mar 06, 2017
  9. 14
    Available Aired on Feb 27, 2017
  10. 13
    Available Aired on Feb 20, 2017
  11. 12
    Available Aired on Feb 13, 2017
  12. 11
    Available Aired on Feb 06, 2017
  13. 10
    Available Aired on Jan 30, 2017
  14. 9
    Available Aired on Jan 23, 2017
  15. 8
    Available Aired on Nov 28, 2016
  16. 7
    Available Aired on Nov 21, 2016
  17. 6
    Available Aired on Nov 14, 2016
  18. 5
    Available Aired on Nov 07, 2016
  19. 4
    Available Aired on Oct 31, 2016
  20. 3
    Available Aired on Oct 24, 2016
  21. 2
    Available Aired on Oct 17, 2016
  22. 1
    Available Aired on Oct 10, 2016
  1. 20
    Available Aired on Apr 18, 2016
  2. 19
    Available Aired on Apr 11, 2016
  3. 18
    Available Aired on Mar 28, 2016
  4. 17
    Available Aired on Mar 21, 2016
  5. 16
    Available Aired on Mar 14, 2016
  6. 15
    Available Aired on Feb 29, 2016
  7. 14
    Available Aired on Feb 22, 2016
  8. 13
    Available Aired on Feb 08, 2016
  9. 12
    Available Aired on Feb 01, 2016
  10. 11
    Available Aired on Jan 25, 2016
  11. 10
    Available Aired on Jan 18, 2016
  12. 9
    Available Aired on Jan 04, 2016
  13. 8
    Available Aired on Dec 14, 2015
  14. 7
    Available Aired on Dec 07, 2015
  15. 6
    Available Aired on Nov 30, 2015
  16. 5
    Available Aired on Nov 23, 2015
  17. 4
    Available Aired on Nov 16, 2015
  18. 3
    Available Aired on Nov 09, 2015
  19. 2
    Available Aired on Nov 02, 2015
  20. 1
    Available Aired on Oct 26, 2015

Watch Supergirl season 4 episode 3 (S04E03)

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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.

Watch Supergirl season 4 episode 2 (S04E02)

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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.

Watch Supergirl season 4 episode 1 (S04E01)

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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.

Watch Supergirl season 3 episode 23 (S03E23)

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Supergirl and team take on Selena in an epic battle for Earth.

Watch Supergirl season 3 episode 22 (S03E22)

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Supergirl learns the true depth of Serena's nefarious plans for Earth. Supergirl, Mon-El and Alura must devise a plan to stop her before Serena gets to Earth. J'onn prepares to say goodbye to his father.

Watch Supergirl season 3 episode 21 (S03E21)

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Kara makes a major life decision. Meanwhile, J'onn finds out that special DEO-caliber guns have hit the streets of National City.

Watch Supergirl season 3 episode 20 (S03E20)

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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.

Watch Supergirl season 3 episode 19 (S03E19)

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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.

Watch Supergirl season 3 episode 18 (S03E18)

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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.

Watch Supergirl season 3 episode 17 (S03E17)

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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.

Watch Supergirl season 3 episode 16 (S03E16)

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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.

Watch Supergirl season 3 episode 15 (S03E15)

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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.

Watch Supergirl season 3 episode 14 (S03E14)

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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.

Watch Supergirl season 3 episode 13 (S03E13)

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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.

Watch Supergirl season 3 episode 12 (S03E12)

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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.

Watch Supergirl season 3 episode 11 (S03E11)

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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.

Watch Supergirl season 3 episode 10 (S03E10)

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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.

Watch Supergirl season 3 episode 9 (S03E09)

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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.

Watch Supergirl season 3 episode 8 (S03E08)

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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).

Watch Supergirl season 3 episode 7 (S03E07)

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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.

Watch Supergirl season 3 episode 6 (S03E06)

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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.

Watch Supergirl season 3 episode 5 (S03E05)

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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.

Watch Supergirl season 3 episode 4 (S03E04)

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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.

Watch Supergirl season 3 episode 3 (S03E03)

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Eliza throws Alex and Maggie a wedding shower, which causes Maggie to reach out to her estranged father. Supergirl joins J’onn on a personal mission.

Watch Supergirl season 3 episode 2 (S03E02)

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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.

Watch Supergirl season 3 episode 1 (S03E01)

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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.

Watch Supergirl season 2 episode 22 (S02E22)

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Supergirl challenges Rhea to battle to save National City. Meanwhile, Superman returns and Cat Grant offers Supergirl some sage advice.

Watch Supergirl season 2 episode 21 (S02E21)

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Supergirl grapples with whether or not to obey the President's orders regarding Rhea's latest actions. Meanwhile, Cat Grant returns to National City.

Watch Supergirl season 2 episode 20 (S02E20)

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When an alien attacks National City, Supergirl and the DEO learn the alien is a Phorian, an otherwise peaceful race with telekinetic powers. Guardian gets a lead on the Phorian's address but instead of finding the culprit, he finds a very scared boy named Marcus. Marcus will only trust James so it is up to Guardian to stop the attacks on the city. Rhea's plan escalates.

Watch Supergirl season 2 episode 19 (S02E19)

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Alex is kidnapped and the kidnapper threatens to kill her unless Supergirl releases a notorious criminal from prison. Supergirl and Maggie have always had different approaches to apprehending criminals but this time they must work together to save Alex. Meanwhile, Rhea has an interesting proposal for Lena.

Watch Supergirl season 2 episode 18 (S02E18)

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Lena’s ex-boyfriend, Jack Spheer, comes to National City to unveil his big breakthrough in nano-technology, which has the potential to eradicate all diseases. Lena asks Kara to attend Jack’s conference with her for support. When Kara sees Snapper in attendance she’s inspired to tap back into her reporter skills and questions Jack on his discovery, which ultimately leads to a bigger investigation that puts everyone in danger.

Watch Supergirl season 2 episode 17 (S02E17)

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A large bounty is put out on Supergirl and aliens from far and near attack National City intent on taking out the woman of steel. Alex and Maggie run into Maggie’s ex-girlfriend, Emily, who is in town for a week. Hank gets an interesting order from President Marsdin.

Watch Supergirl season 2 episode 16 (S02E16)

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A new villain comes to National City, putting Supergirl on high alert. Meanwhile, Winn’s girlfriend, Lyra, gets Winn in trouble with the law. Maggie attempts to help Winn but old loyalties get in the way. The Music Meister attacks Supergirl.

Watch Supergirl season 2 episode 15 (S02E15)

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As Alex searches for Jeremiah and Kara investigates a series of alien kidnappings, the sisters realize they must break the rules to foil a new Cadmus plot. In an effort to get Snapper Carr to run a story that would help her stop Cadmus, Kara agrees to set up an interview between Snapper and Supergirl.

Watch Supergirl season 2 episode 14 (S02E14)

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When Jeremiah Danvers is rescued from Cadmus, Alex and Kara are thrilled to have their father back. The Danvers arrange a family dinner to celebrate but things go awry when a suspicious Mon-El starts to question Jeremiah about his sudden return.

Watch Supergirl season 2 episode 13 (S02E13)

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When Mr. Mxyzptlk, a magical imp, shows up on Earth and declares his love for Kara, she tries to let him down easy, thinking him harmless. However, he decides it’s a challenge and starts to wreak havoc on National City. Mon-El has seen beings like Mr. Mxyzptlk on Daxam and knows how dangerous they can be. He and Kara argue over how to get rid of Mr. Mxyzptlk, further straining their relationship. Meanwhile, Alex and Maggie celebrate their first Valentine’s Day together.

Watch Supergirl season 2 episode 12 (S02E12)

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After Metallo breaks out of prison and frees Lillian Luthor, the police blame Lena for his escape and arrest her. Despite overwhelming evidence, Kara refuses to believe her friend is guilty and fights to clear Lena’s name. Flashbacks reveal how Lena came to be a Luthor.

Watch Supergirl season 2 episode 11 (S02E11)

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Armek, a White Martian, descends on National City intent on taking M’gann back to Mars to face her punishment as a traitor. Hank and Supergirl determine the best way to keep M’gann safe is to bring her to the DEO. However, when it is revealed that Armek shape-shifted into M’gann and is now loose in the building, the team realize he could be disguised as any one of them.

Watch Supergirl season 2 episode 10 (S02E10)

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After Livewire seemingly breaks out of prison, Supergirl is intent on recapturing her. After training Mon-El, Supergirl takes him with her when she sees Livewire attack the NCPD but things go awry when Mon-El puts Supergirl before the citizens of National City. Meanwhile, James decides to come clean with Kara and M’Gann, has a psychic attack and collapses into a coma.

Watch Supergirl season 2 episode 9 (S02E09)

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Kara is moved by the story of a missing woman named Izzy and decides to investigate despite Snapper Carr's order to leave it alone. Kara takes Mon-El with her to the last place Izzy was seen and the duo find themselves thrust through a portal to another planet, Slaver's Moon, where the downtrodden are sold as slaves. The leader of the trafficking ring is none other than Roulette. To make matters worse, Slaver's Moon has a red sun, which means Kara and Mon-El are stripped of their powers and stuck on the planet with no way home. Meanwhile, back on Earth, Alex blames herself for Kara's disappearance, fearing she's become too focused on her new relationship with Maggie and too complacent in watching out for her sister.

Watch Supergirl season 2 episode 8 (S02E08)

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Eliza comes to town to celebrate Thanksgiving with her daughters. Alex decides it’s time to come out to her mother; Kara is shocked when Eliza suggests Mon-El has feelings for her, and Winn and James consider telling Kara the truth about the Guardian. Meanwhile, CADMUS unleashes a virus that instantly kills any alien in the vicinity so Kara enlists an unexpected ally – Lena Luthor. The epic superhero crossover kicks off tonight when Barry Allen and Cisco Ramon seek Kara’s help with an alien invasion on their Earth.

Watch Supergirl season 2 episode 7 (S02E07)

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While Guardian tries to clear his name after being accused of a murder committed by another vigilante, Supergirl heads out on a solo mission to rescue Mon-El who has been captured by CADMUS. While fighting to free Mon-El, Supergirl comes face to face with Cyborg Superman.

Watch Supergirl season 2 episode 6 (S02E06)

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The Guardian debuts to lend a hand after a parasite alien drains Supergirl of her power. Mon-El considers a less than desirable new career which then leads him to contemplate his motives. Alex struggles with a new reality.

Watch Supergirl season 2 episode 5 (S02E05)

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Supergirl must beat a ruthless new gang who has been armed with dangerous new alien technology. When Cadmus sends a video to the DEO, the team realizes Cadmus is the one staffing the criminals for a secret mission. Meanwhile, Kara gets Mon-El a job as an intern at CatCo, James makes an important decision and Lena invites Kara to attend one her fundraisers.

Watch Supergirl season 2 episode 4 (S02E04)

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When Kara and Alex investigate the murder of an unregistered alien, the trail leads to an alien fight club run by Roulette, the ringmaster who commands aliens to fight in mortal combat for the entertainment of rich humans. While trying to stop the fighting, Supergirl and Martian Manhunter find themselves up against a surprising opponent. Meanwhile, Hank is thrilled to have found another Martian and tries to get to know M'Gann better. Supergirl takes Mon-El under her wing and begins to train him.

Watch Supergirl season 2 episode 3 (S02E03)

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An attack is made on the President as hot-button, alien vs. human rights issues heat up in National City. Supergirl and the DEO are assigned to protect the President and bring in the responsible party. Alex teams up with Detective Maggie Sawyer to investigate the case while Kara searches for a recently escaped Mon-El, who she fears may be the alien behind the assault.

Watch Supergirl season 2 episode 2 (S02E02)

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CADMUS attacks National City with a Kryptonite-powered villain who ends up seriously hurting Supergirl. Superman blames Hank because the Kryptonite was stolen from the DEO. Meanwhile, Kara’s first day at her new job doesn’t go as planned after she meets her new boss, Snapper Carr.

Watch Supergirl season 2 episode 1 (S02E01)

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When a new threat emerges in National City, Kara/Supergirl teams up with her cousin, Clark Kent/Superman, to stop it. Kara is thrilled to have family in town but it leaves Alex feeling a bit left out. Meanwhile, Hank and Supergirl are stunned by the pod that came crashing to Earth.

Watch Supergirl season 1 episode 20 (S01E20)

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Supergirl is forced to do battle with an unexpected foe and must risk everything – including her life – to prevent Non and Indigo from destroying every person on the planet.

Watch Supergirl season 1 episode 19 (S01E19)

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Kara must find a way to free her friends when Non and Indigo use mind control to turn National City’s citizens into their own army.

Watch Supergirl season 1 episode 18 (S01E18)

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Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home.

Watch Supergirl season 1 episode 17 (S01E17)

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J'onn J'onzz reveals the details of meeting Kara and Alex's father, Dr. Jeremiah Danvers, and assuming Hank Henshaw's identity. Also, Kara debates trusting someone new with her secret identity and Siobhan plots against Kara.

Watch Supergirl season 1 episode 16 (S01E16)

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Kara turns on her friends and the citizens of National City after being exposed to Red Kryptonite makes her malicious and dangerous. Also, Cat appears on THE TALK to discuss Supergirl.

Watch Supergirl season 1 episode 15 (S01E15)

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Kara travels to Superman’s Fortress of Solitude in hopes of learning how to defeat Indigo, a dangerous being who can transport via the Internet and who has a connection to Kara’s past. Also, James’s relationship with Lucy reaches a crossroads.

Watch Supergirl season 1 episode 14 (S01E14)

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Supergirl does battle with the deadly Master Jailer, who is hunting and executing escaped Fort Rozz prisoners. Also, Cat hires a second assistant, Siobhan Smythe, who immediately tries to one-up Kara, and Kara and James disagree over the DEO's methods.

Watch Supergirl season 1 episode 13 (S01E13)

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Kara’s friends must find a way to save her life when a parasitic alien attaches itself to her and traps her in a dream world where her family is alive and her home planet was never destroyed. Also, Alex, Hank and the DEO must fend off a Kryptonian attack while Kara is out of commission.

Watch Supergirl season 1 episode 12 (S01E12)

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Kara faces off against her mirror image when Bizarro, a twisted version of Supergirl, sets out to destroy her. Also, Kara grows closer with Cat’s son, Adam.

Watch Supergirl season 1 episode 11 (S01E11)

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Kara must help Hank face his painful past when a White Martian, a member of the alien race that wiped out his people, kidnaps Senator Miranda Crane, an anti-alien politician. Also, Cat's estranged son, Adam, arrives in National City.

Watch Supergirl season 1 episode 10 (S01E10)

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Kara does her best to support Winn when his father, the supervillain Toyman, breaks out of prison and seeks out his son for unknown reasons. Also, Cat offers Lucy a job at CatCo and Alex asks Hank to use his powers to help uncover Maxwell Lord's plan.

Watch Supergirl season 1 episode 9 (S01E09)

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With Astra in captivity at the DEO, her husband, Non, captures Hank, leading to a tense standoff between the two sides. Also, Kara continues to refute Cat's allegations that she is Supergirl.

Watch Supergirl season 1 episode 8 (S01E08)

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Kara goes toe-to-toe with Astra when her aunt challenges Kara’s beliefs about her mother. Also, Cat is threatened with being removed as the CEO of CatCo after a hacker exposes her private and damaging emails.

Watch Supergirl season 1 episode 7 (S01E07)

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Kara and her friends must rely on their inner strength and courage when an earthquake strikes National City. Also, Alex’s mistrust of Hank reaches a breaking point when the earthquake traps them in the DEO with Jemm, a powerful alien escapee.

Watch Supergirl season 1 episode 6 (S01E06)

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Personal and professional stress get the better of Kara when she goes too far during a training exercise against Red Tornado, a military cyborg commissioned by Lucy Lane’s father, General Sam Lane. Also, Cat’s tough exterior is shaken by a visit from her judgmental mother, Katherine, and Alex enlists Winn to look into her father’s mysterious death.

Watch Supergirl season 1 episode 5 (S01E05)

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Kara’s two identities are stretched thin when Supergirl must protect National City from a series of bombings and Kara is tasked with babysitting Cat’s son, Carter. Also, James is conflicted when his ex-girlfriend Lucy Lane seeks to rekindle their relationship.

Watch Supergirl season 1 episode 4 (S01E04)

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Kara's Thanksgiving may be ruined when she suspects her foster mother, Dr. Danvers, who is coming to town, disapproves of her new role as a superhero. Also, when an accident transforms a volatile CatCo employee into the villainous Livewire, she targets Cat and Supergirl.

Watch Supergirl season 1 episode 3 (S01E03)

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Supergirl’s powers are tested when Reactron, one of Superman’s formidable enemies, arrives in National City and targets the young hero. Also, Cat plans to run an exposé on Supergirl.

Watch Supergirl season 1 episode 2 (S01E02)

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When Kara’s attempts to help National City don't go according to plan, she must put aside the doubts that she -- and the city's media -- has about her abilities in order to capture an escapee from the Kryptonian prison, Fort Rozz. Also, Cat pressures James to use his connection to Superman to get her an interview with Supergirl.

Watch Supergirl season 1 episode 1 (S01E01)

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After 12 years of keeping her powers a secret on Earth, Kara Zor-El, Superman's cousin, decides to finally embrace her superhuman abilities and be the hero she was always meant to be.

Watch Supergirl (2015) show trailer

How to watch Supergirl online without downloading

  1. Watch Supergirl online only at TVZion for free. No download or registration required.
  2. Supergirl first started airing on Oct 26, 2015 and we have updated 64 out of 66 aired episodes and we will add more as they air.
  3. Please note that new Supergirl episodes can take upto 2 days to be updated after their first airing date.
  4. To watch Supergirl episodes, select the season and episodes from the list above and the proper episode information will appear on the right side (or below in case of mobile devices), click on the watch now button below the episode info to go to episode page, and watch the respective episode without downloading.

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