Last episode
Kara
s06e20 · 2021-11-10
Ended · US
Supergirl
The CW Scripted
What it is
Supergirl is an action-adventure drama based on the DC Comics character Kara Zor-El, Superman's (Kal-El) cousin who, after 12 years of keeping her powers a secret on Earth, decides to finally embrace her superhuman abilities and be the hero she was always meant to be.
Episode highlights
Next episode
None captured
Episode guide
22 this season · 129 totals04e01 The American Alien 2018-10-15 00:00
The American Alien
With Superman off-world, Supergirl becomes a worldwide beacon of hope. Meanwhile, Lena takes secret measures to keep James out of prison, while Kara welcomes a new reporter to CatCo and Alex and Brainiac-5 get off to a rocky start after the latter takes Winn's position at the DEO.
s04e02 Fallout 2018-10-22 00:00
Fallout
The U.S. people are shaken by the revelation that the President is an alien. As Supergirl tries to quell the unrest, Nia tells James that he should write an editorial supporting aliens. Meanwhile, Mercy launches an attack on L-Corp to shut down the image inducers and reveal the aliens for who they really are.
s04e03 Man of Steel 2018-10-29 00:00
Man of Steel
While the DEO try to save Supergirl's life, the events leading up to the creation of Agent Liberty are shown.
s04e04 Ahimsa 2018-11-05 01:00
Ahimsa
To heal Supergirl, Alex assigns Brainiac-5 and Lena to find a way to remove the Kryptonite from Earth's atmosphere. Meanwhile, Mercy and Otis abduct aliens from a DEO facility and use them to attack children and spread fear, and Hank meets an ally in his fight.
s04e05 Parasite Lost 2018-11-12 01:00
Parasite Lost
When Jensen--the new Parasite--attacks aliens, Supergirl is forced to take to the sidelines rather than give him further power. As a result, Kara writes an article on an alien healer who makes him a target. Meanwhile, Alex learns some surprising things about her new superior, and James comes to a realization about the Children of Liberty and their anti-alien agenda.
s04e06 Call to Action 2018-11-19 01:00
Call to Action
As the Thanksgiving holiday approaches, the Children of Liberty prepare a new initiative to wipe out the aliens among them. James and Lena have their first major argument, and Nia displays narcolepsy but refuses help.
s04e07 Rather the Fallen Angel 2018-11-26 01:00
Rather the Fallen Angel
Hank assures Supergirl that Manchester is a trustworthy ally. Meanwhile, James meets with Agent Liberty and has to choose between betraying his reputation or committing an act of terrorism for the Children of Liberty.
s04e08 Bunker Hill 2018-12-03 01:00
Bunker Hill
Manchester learns Agent Liberty's secret identity and goes to obtain vengeance for Fiona's death. Nia has a prophetic dream, and Kara and Brainiac-5 help her to avoid the future that she has foreseen.
s04e09 Elseworlds, Part 3 2018-12-12 01:00
Elseworlds, Part 3
Deegan 'thinks big' and rewrites the reality of Earth-1 so that he's the only superhero... and a familiar face. While Barry and Oliver try to contact Superman on Earth-38, Kara tries to get through to her foster sister Alex... who no longer remembers who Kara is.
s04e10 Suspicious Minds 2019-01-21 01:00
Suspicious Minds
Supergirl finds a ship full of dead SEAL soldiers, and discovers that it's connected to Haley and the US government. Brainiac-5 sets up a meeting—at a romantic restaurant—with Nia to discuss her future as a possible superhero, and Lena tells James what she's been working on.
s04e11 Blood Memory 2019-01-28 01:00
Blood Memory
Kara travels with Nia to the latter's hometown and discovers that Nia is inheriting the Dreamer power from her mother... which has skipped Nia's sister Maeve. In National City, an outbreak of a new drug rage starts and Alex investigates while asking J'onn to determine if she's having memory problems.
s04e12 Menagerie 2019-02-18 01:00
Menagerie
Kara continues to deal with the fallout from Alex's mindwipe, and a new villain enters National City: Menagerie, a human jewel thief merged with an alien symbiote. Nia invites Brainiac-5 to her Valentine's Day party, and Ben reaches out to his wife and son.
s04e13 What's So Funny About Truth, Justice, and the American Way? 2019-03-04 01:00
What's So Funny About Truth, Justice, and the American Way?
Manchester assembles a team of Supergirl's old and new opponents to break him out of prison and form The Elite. Meanwhile, President Baker reaches out to Ben and soon asks him for more than photo ops.
s04e14 Stand and Deliver 2019-03-11 00:00
Stand and Deliver
Ben proposes to end the Alien Amnesty Act and holds a rally. Alien protesters hold a peaceful march, but Manchester plans to disrupt the event using stolen Kryptonian technology... and reveal J'onn's true feelings. James goes to the rally to cover events as a photographer.
s04e15 O Brother, Where Art Thou? 2019-03-18 00:00
O Brother, Where Art Thou?
James undergoes surgery to replace his shattered spine, and Lena has no choice but to work with her brother Lex to perfect the Harun-El serum to cure James before he dies. J'onn and Kara track down Manchester, who has recovered the Staff of H'ronmeer and attempts to turn J'onn from the path of peace.
s04e16 The House of L 2019-03-25 00:00
The House of L
Lex spends three years plotting his next scheme, working with the Kaznian government to train the Supergirl clone to further their ambitions against America so that he can step in and stop them, becoming a hero to the world and its savior.
s04e17 All About Eve 2019-04-01 00:00
All About Eve
J'onn has a meeting with his deceased father, while Supergirl, Alex, and Lena join forces to track down Eve and locate Lex.
s04e18 Crime and Punishment 2019-04-22 00:00
Crime and Punishment
Supergirl and Lena go to Stryker's Island to check out Lex's cell, and find a clue to his schemes. Supergirl is declared a criminal and is forced to question whether she does more harm or good, while James deals with the fallout from being injected with the serum.
s04e19 American Dreamer 2019-04-29 00:00
American Dreamer
Kara tries to convince an Amertek insider to provide her with information proving a connection to Lex. Dreamer agrees to a TV interview, and Brainiac-5 helps James explore the cause of his PTSD.
s04e20 Will the Real Miss Tessmacher Please Stand Up? 2019-05-06 00:00
Will the Real Miss Tessmacher Please Stand Up?
Kara and Lena track Lex to Kaznia, and find Eve but no Lex. Ben abandons his son to go after his wife's killer, which pits him against Brainiac-5, Dreamer, and the newly superpowered James. Alex and Kelly travel to meet with a woman giving birth to a child who could become Alex's.
s04e21 Red Dawn 2019-05-13 00:00
Red Dawn
Supergirl and Alex go after Red Daughter, while Lena and James hunt down Ben. Brainiac-5, J'onn, and Dreamer attempt to rescue the alien prisoners, but two of them are captured and one of them is 'rebooted'.
s04e22 The Quest for Peace 2019-05-20 00:00
The Quest for Peace
Lex's plan reaches fruition: Red Daughter has defeated Supergirl, Lex has defeated the Kaznians and then Red Daughter. Now only one thing can stop him: the power of the Fourth Estate.