Nova Day
Season 3, Episode 16 (56)
Vital statistics
Air date Unaired
Written by Illyriarocks
Directed by Illyriarocks
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The Trial of Kal-El The Swarm
Nova Day is the 16th episode of Supergirl Season 3 and the 56th episode overall.


PART 2 OF 8: A PLANETARY CELEBRATION- With the occurrence of Nova Day, an annual religious holiday where all crime can be absolved by the Mediator Guild, the trial ceases. During the festivities, Zod's assassin strikes. Karen informs Kara that Lena stowed away on Astra's ship. Kal-El shows compassion for an enemy. Lesla-Lar returns to New Krypton with a deadly agenda, while Alura finally falls out with her family.

Main Cast

Recurring Cast



  • Antagonists: Ral-Dar, Lesla-Lar
  • Alex, Sam, Lucy, and J'onn do not appear in this episode.
  • 3rd episode this season in which Earth does not appear.
  • Lena and Kara interact for the first time since Brave Enough.
  • This episode takes place on June 24, 2020.



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