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. Kara Zor-El who is the cousin of Kal-El better known as Superman.
Supergirl Season 3 (2017-2018)
|3x01 Girl of Steel |
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 ...
|Oct. 09, 2017|
|3x02 Triggers |
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, ...
|Oct. 16, 2017|
|3x03 Far From The Tree |
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.
|Oct. 23, 2017|
|3x04 The Faithful |
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 ...
|Oct. 30, 2017|
|3x05 Damage |
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. ...
|Nov. 06, 2017|
|3x06 Midvale |
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 ...
|Nov. 13, 2017|
|3x07 Wake Up |
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 ...
|Nov. 20, 2017|
|3x08 Crisis on Earth X, Part 1 |
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 ...
|Nov. 27, 2017|
|3x09 Reign |
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, ...
|Dec. 04, 2017|
|3x10 Legion of Super-Heroes |
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 ...
|Jan. 15, 2018|
|3x11 Fort Rozz |
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 ...
|Jan. 22, 2018|
|3x12 For Good |
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 ...
|Jan. 29, 2018|
|3x13 Both Sides Now |
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, ...
|Feb. 05, 2018|
|3x14 Schott Through The Heart |
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 ...
|Apr. 16, 2018|
|3x15 In Search of Lost Time |
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 ...
|Apr. 23, 2018|
|3x16 Of Two Minds |
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 ...
|Apr. 30, 2018|
|3x17 Trinity |
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 ...
|May. 07, 2018|
|3x18 Shelter From the Storm |
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 ...
|May. 14, 2018|
|3x19 The Fanatical |
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 ...
|May. 21, 2018|
|3x20 Dark Side of the Moon |
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 containe ...
|May. 28, 2018|
|3x21 Not Kansas |
Kara makes a major life decision. Meanwhile, J’onn finds out that special DEO-caliber guns have hit the streets of National City.
|Jun. 04, 2018|
|3x22 Make It Reign |
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 ...
|Jun. 11, 2018|
|3x23 Battles Lost and Won |
Supergirl and team take on Serena in an epic battle for Earth. (Season Finale)
|Jun. 18, 2018|
Season 3 Characters[none added]
Season 3 Videos[none added]
Season 3 Trivia[none added]
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