Supergirl - Season 3

Follow
Sunday 8:00 PM on The CW Premiered Oct 26, 2015 Returning Returning October 14th, 2018

USER EDITOR

Loralee_jk

 

Episode Guide

  • 6/18/18
    8.3

    In the season three finale, Kara and all of her colleagues and fellow superheroes join forces to stop the Worldkillers from devastating Earth and reforming it into a new Krypton. However the efforts to do so come at a tremendous cost for some and make others to make life changing decisions.

    moreless
  • Make It Reign
    Episode 22
    6/11/18
    8.5

    Sam grows weaker, while Selena and her fellow witches reach Earth and prepare to transform it into a New Krypton... wiping out the human population in the process.

  • Not Kansas
    Episode 21
    6/4/18
    7.7

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

  • 5/28/18
    8.4

    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.

  • The Fanatical
    Episode 19
    5/21/18
    7.9

    Tanya, a disciple of Coville's, escapes from what's left of his cult, and 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.

    moreless
  • 5/14/18
    8.3

    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.

  • Trinity
    Episode 17
    5/7/18
    8.1

    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.

  • Of Two Minds
    Episode 16
    4/30/18
    8.3

    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.

  • 4/23/18
    8.7

    When Myr'nn inadvertently causes psychic disturbances at the DEO, Supergirl must work with J'onn to contain the resulting chaos. Meanwhile, Mon-El begins training Kara in fighting techniques he's learned in the future for battling Worldkillers.

  • 4/16/18
    7.9

    When Winn's father dies, his estranged mother 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.

    moreless
  • Both Sides Now
    Episode 13
    2/5/18
    8.3

    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.

  • For Good
    Episode 12
    1/29/18
    8.5

    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.

    moreless
  • Fort Rozz
    Episode 11
    1/22/18
    8.5

    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.

    moreless
  • 1/15/18
    8.4

    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.

    moreless
  • Reign
    Episode 9
    12/4/17
    8.7

    When a mysterious symbol appears all over National City, Supergirl investigates and meets Reign. Meanwhile, James offers Lena protection from Morgan.

  • 11/27/17
    8.5

    Supergirl prepares to attend the wedding of her friend Barry--aka the Flash--but the ceremony is interrupted by villains attacking from Earth X.

  • Wake Up
    Episode 7
    11/20/17
    8.1

    Supergirl and the DEO investigate an alien ship that crashed in National City's harbor. Meanwhile, Sam looks for her estranged mother, and Hank tries to bond with M'yrnn.

  • Midvale
    Episode 6
    11/13/17
    8.8

    While she and and Alex return to Midvale, Kara remembers the death of a childhood friend.

  • Damage
    Episode 5
    11/6/17
    7.8

    Multiple children get sick from lead poisoning and Morgan Edge blames Lena for creating the lead bomb she made to save National City from the Daxamites. Meanwhile, Alex and Maggie make a crucial decision about the future of their relationship.

  • The Faithful
    Episode 4
    10/30/17
    8.2

    A new group in National City, led by Thomas Coville, is somehow connected to Supergirl and Kara determines to find out how. Meanwhile, Sam continues to have problems with Ruby.

  • Far From the Tree
    Episode 3
    10/23/17
    8.2

    While Supergirl accompanies Hank to Mars, Maggie reaches out to her estranged father after Eliza throws the couple-to-be a wedding shower.

  • Triggers
    Episode 2
    10/16/17
    8.2

    Psi, a thief with psychic powers, attacks National City and is able to immobilize people by tapping into their worst fears. Meanwhile, James and Lena are at an impasse; and Samantha starts her new job at L-Corp.

  • Girl of Steel
    Episode 1
    10/9/17
    8.4

    Kara fights a new threat against National City while dealing with Mon-El's departure. Meanwhile, Lena puts a new plan in motion, and Alex and Maggie prepare for their wedding.