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- Season 4 overviewOct 14, 2018-May 19, 201922 episodesSeason 4 episodes1. American Alien Oct 14, 2018
- Kara welcomes a new cub reporter to CatCo; James and Lena argue about James' impending indictment.
- 2. Fallout Oct 21, 2018
- A shocking revelation causes chaos in National City; Supergirl sets out to capture Mercy Graves.
- 3. Man of Steel Oct 28, 2018
- Ben Lockwood slowly transforms from a mild-mannered professor into the villainous Agent Liberty.
- 4. Ahimsa Nov 4, 2018
- When Supergirl needs help, Alex asks Lena and Brainiac to team up; J'onn questions his decision.
- 5. Parasite Lost Nov 11, 2018
- Haley makes a surprising decision regarding Supergirl; Kara writes articles about the city's aliens.
- 6. Call to Action Nov 18, 2018
- As everyone gathers for Thanksgiving, Kara is feeling down after her debate with Ben Lockwood.
- 7. Rather the Fallen Angel Nov 25, 2018
- James falls in deeper with the Children of Liberty in his efforts to meet Agent Liberty.
- 8. Bunker Hill Dec 2, 2018
- Kara and Brainy try to persuade Nia to embrace her destiny; Manchester Black pays Ben a visit.
- 9. Elseworlds, Part 3 Dec 11, 2018
- Supergirl, The Flash, Green Arrow and Superman engage in the battle of their lives.
- 10. Suspicious Minds Jan 20, 2019
- Haley wants to uncover Supergirl's true identity; Brainiac-5 encourages Nia to embrace her powers.
- 11. Blood Memory Jan 27, 2019
- Alex deals with a street drug that is turning people violent and giving them temporary superpowers.
- 12. Menagerie Feb 17, 2019
- Kara teams up with J'onn on an assignment, which ends up tying directly into Alex's investigation.
- Supergirl tries to apprehend Manchester Black after his new team helps him break out of prison.
- 14. Stand and Deliver Mar 10, 2019
- When Lockwood organizes a rally, Supergirl and Dreamer patrol to keep everyone safe.
- 15. O Brother, Where Art Thou? Mar 17, 2019
- Furloughed from prison due to failing health, Lex Luthor visits his sister to seek her help.
- 16. The House of L Mar 24, 2019
- In the wake of Lex Luthor's return, flashbacks show what he's been doing for the last two years.
- 17. All About Eve Mar 31, 2019
- Supergirl must deal with the destructive aftermath of Lex's nefarious plans.
- 18. Crime and Punishment Apr 21, 2019
- Kara and Lena head to Stryker's Island to search for clues on how to defeat Lex.
- 19. American Dreamer Apr 28, 2019
- Kara doggedly works as a reporter to clear Supergirl's name; James takes drastic measures.
- Eve Tessmacher sets a trap that could ultimately reveal that Kara is Supergirl.
- 21. Red Dawn May 12, 2019
- Kara comes face to face with Red Daughter and the two engage in an epic battle.
- 22. The Quest for Peace May 19, 2019
- When Supergirl realizes she has one last chance to stop Lex, she turns to the press for help.
The fourth season of the American television series Supergirl, which is based on the DC Comics character Kara Zor-El / Supergirl, premiered on The CW on October 14, 2018. The season follows Kara, a reporter and superpowered alien who fights against those who threaten Earth.
S4.E1 ∙ American Alien. Sun, Oct 14, 2018. Supergirl is called into action when remnants of Cadmus attempt to assassinate pro-alien leaders, but their endgame turns out to be more sinister than she thinks. 7.1/10 (1.8K)
Supergirl: Created by Ali Adler, Greg Berlanti, Andrew Kreisberg. With Melissa Benoist, Chyler Leigh, David Harewood, Katie McGrath. The adventures of Superman's cousin and her own superhero career.
Watch Supergirl — Season 4 with a subscription on Netflix, or buy it on Fandango at Home, Prime Video, Apple TV.
During the course of the series, 126 episodes of Supergirl aired, between October 26, 2015, and November 9, 2021.
Supergirl. Season 4. The adventures of Superman's cousin in her own superhero career. 2019 22 episodes. 7+. Action · Adventure. This video is currently unavailable. to watch in your location. Episodes. Details. Sort. S4 E1 - American Alien. 50min. 7+. Kara welcomes a new reporter to CatCo. S4 E2 - Fallout. 1h. 7+.
Oct 14, 2018 · Your essential guide to the regular and recurring cast of Supergirl season 4, ahead of tonight's premiere.
May 20, 2019 · Supergirl recap: Season 4, Episode 22. TV. Recaps. Supergirl recap: Weird Lex, but okay. By Sara Netzley. Published on May 19, 2019 11:26PM EDT. Supergirl clears up the Kaznian invasion...
In season four, Supergirl is facing a bigger threat than she's ever faced before – a new wave of anti-alien sentiment, spreading across National City that’s fomented by Agent Liberty.
In season four, Supergirl is facing a bigger threat than she's ever faced before – a new wave of anti-alien sentiment, spreading across National City that’s fomented by Agent Liberty.