Supergirl

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Sunday 8:00 PM on The CW Premiered Oct 26, 2015 In Season

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Episode Guide

  • Season 4
    • 5/19/19
      7.8
      In the Season 4 finale, Lex Luthor descends upon Washington, D.C., 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.
    • Red Dawn
      Episode 21
      5/12/19
      8.0

      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.

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    • Karaand Lenahead to Kaznia to hunt down Lex. However, Eve Tessmacher sets a trap for the duo that could ultimately reveal that Kara is Super girl. Meanwhile, Alex gets a long-awaited phone call, James practices using his powers, and Ben Lockwood takes a dangerous stand inside the DEO.
    • American Dreamer
      Episode 19
      4/28/19
      7.2

      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.

    • 4/21/19
      7.5

      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.

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    • All About Eve
      Episode 17
      3/31/19
      7.7

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

    • The House of L
      Episode 16
      3/24/19
      7.9

      Lex plans his revenge against Superman, Supergirl, and the world by using his three years in prison to cultivate the Kaznian Supergirl clone as an asset so he can have himself declared the savior of humanity.

    • 3/17/19
      7.7

      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.

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    • Stand and Deliver
      Episode 14
      3/10/19
      7.8

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

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    • 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.

    • Menagerie
      Episode 12
      2/17/19
      7.7

      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.

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    • Blood Memory
      Episode 11
      1/27/19
      7.9

      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.

    • Suspicious Minds
      Episode 10
      1/20/19
      8.3

      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.

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    • 12/11/18
      8.7

      Supergirl, the Flash, Green Arrow and Superman engage in the battle of their lives.

    • Bunker Hill
      Episode 8
      12/2/18
      7.7

      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.

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    • 11/25/18
      7.6

      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.

    • Call to Action
      Episode 6
      11/18/18
      7.7

      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.

    • Parasite Lost
      Episode 5
      11/10/18
      7.7

      Rogue DEO agent Jensen begins his run as the host of Parasite killing aliens and temporarily absorbing their powers. After nearly being killed herself in an encounter with Parasite, Kara decides to use her journalism skills to try to convince readers that aliens are not evil and should not be vilified and branded as evil. In the process she manages to get an interview with a reclusive alien healer. The story soon evolves into something much more.

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    • Ahimsa
      Episode 4
      11/4/18
      7.5

      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.

    • Man of Steel
      Episode 3
      10/28/18
      7.2

      The origin of Agent Liberty is revealed, as he transformed from mild-mannered college professor Ben Lockwood to a alien-hating villain.

    • Fallout
      Episode 2
      10/21/18
      7.7

      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.

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    • American Alien
      Episode 1
      10/14/18
      7.9

      In the Season 4 premiere, 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.

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  • Season 3
  • Season 2
  • Season 1