The Last Daughter of Krypton
Season 5, Episode 18 (100)
Vital statistics
Air date TBD
Written by Illyriarocks
Directed by Illyriarocks
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The Last Daughter of Krypton is the 18th episode of Supergirl Season 5 and the 100th episode overall.


THE TRUE HEIR- Kara Danvers battles Reign and Darkseid for the future of Earth and the souls of humanity. Lena Luthor visits Clark Kent and James Olsen in Metropolis. Alex Danvers helps Karen Starr recuperate.

Main CastEdit

Special Appearance ByEdit

Special Guest StarsEdit

Recurring CastEdit



  • Antagonists: Reign, Darkseid
  • Title Meaning: By this episode, both Kara and Reign have been referred to by the titular epithet. The two characters also fight to establish who is the true holder of the title
  • This episode was the second candidate for the series finale.
  • Kara, Alex, James, Winn, J'onn, Cat, Alura, Astra, Eliza, Zor-El, Jor-El, and Vasquez are the only characters to appear in the first and last episodes of the series.
  • 9th episode this season to feature all main characters.
  • This is the series finale.
  • Kara, Alex, Lena, and Reign are the only characters to appear in every episode this season.
  • This episode takes place on December 25, 2020, Christmas Day.
  • Kara is the only character to appear in all of the first 100 episodes.



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