Season episodes list 3


S03E01 : Girl of Steel 7.82/10 (aired on 10/09/2017)

Kara deals with the loss of Mon-El by focusing all her energy on being Supergirl and the mysterious…

S03E02 : Triggers (aired on 10/16/2017)

Psi, a thief with psychic powers, attacks National City. Able to immobilize people by tapping into…

S03E03 : Far From the Tree (aired on 10/23/2017)

Eliza throws Alex and Maggie a wedding shower, which causes Maggie to reach out to her estranged…

S03E04 : The Faithful (aired on 10/30/2017)

Kara investigates a secretive new group whose leader, Thomas Coville, has a mysterious connection…

S03E05 : Damage 7.71/10 (aired on 11/06/2017)

When multiple children get sick from lead poisoning, Morgan Edge points the finger at Lena and…

S03E06 : Midvale 8.09/10 (aired on 11/13/2017)

Kara and Alex head home to Midvale for a little R&R. While there, Kara recalls a painful memory of…

S03E07 : Wake Up (aired on 11/20/2017)

When Winn and the team discover an alien ship has crash landed deep underwater beneath National…

S03E08 : Crisis on Earth-X (1) 7.8/10 (aired on 11/27/2017)

Barry and Iris’s wedding brings the gang together, but things go awry when villains from Earth-X…

S03E09 : Reign 7.53/10 (aired on 12/04/2017)

Supergirl investigates a mysterious symbol popping up all over National City, tracing its origins…

S03E10 : Legion of Super-Heroes (aired on 01/15/2018)

Struggling to heal from her injuries inflicted by Reign, Supergirl remains in a dreamlike state,…

S03E11 : Fort Rozz (aired on 01/22/2018)

As Reign continues to terrorize the city, Supergirl teams up with Saturn Girl, and the two recruit…

S03E12 : For Good (aired on 01/29/2018)

Someone tries to kill Morgan Edge and he barely survives. He accuses Lena of being behind the…

S03E13 : Both Sides Now (aired on 02/05/2018)

The DEO captures a second Worldkiller, Purity. Supergirl and Alex use very different methods of…

S03E14 : Schott Through the Heart (aired on 04/16/2018)

When Winn’s father dies, his estranged mother, Mary, reappears trying to reconnect and to explain…

S03E15 : In Search of Lost Time (aired on 04/23/2018)

Myr'nn inadvertently causes psychic disturbances at the DEO; Supergirl must work with J'onn to…

S03E16 : Of Two Minds (aired on 04/30/2018)

Supergirl and Imra have different ideas on how to stop the third Worldkiller, Pestilence. However,…

S03E17 : Trinity (aired on 05/07/2018)

Still reeling after learning about Lena’s secret, Supergirl asks Guardian for a favor that could…

S03E18 : Shelter from the Storm (aired on 05/14/2018)

When Reign starts hunting Ruby, Supergirl and Alex work together to keep her safe. Supergirl and…

S03E19 : The Fanatical (aired on 05/21/2018)

When Tanya, a disciple of Coville’s, escapes from what’s left of his cult, she gives Kara and James…

S03E20 : Dark Side of the Moon (aired on 05/28/2018)

Supergirl is stunned to discover that a part of Krypton survived. Alex is attacked while out with…

S03E21 : Not Kansas (aired on 06/04/2018)

Kara makes a major life decision. J’onn finds out that special DEO-caliber guns have hit the…

S03E22 : Make It Reign (aired on 06/11/2018)

Supergirl learns the true depth of Serena’s nefarious plans for Earth. Supergirl, Mon-El and Alura…

S03E23 : Battles Lost and Won (aired on 06/18/2018)

Supergirl and team take on Serena in an epic battle for Earth.
  • banner
  • Original title


  • Type

    TV series

  • Episodes

    5 Seasons • 84 Episodes

  • Rating

    6.6/10 (72 896 voting)

  • Popularity : 100%

  • Country of origin


  • Original language(s)


  • Running time

    42 :

  • Website…

  • Status

    Returning series