City On Fire
Season 3, Episode 22 (58)
Vital statistics
Air date Unaired
Written by Illyriarocks
Directed by Illyriarocks
Episode guide
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The Fall of Kandor The Kryptonian Cure
City On Fire is the 22nd and final episode of Supergirl Season 3 and the 58th episode overall.


PART 8 OF 8: PLANETFALL- As Kandor burns, Kara and company attempt to evacuate the city with minimal casualties. As a last resort, J'onn heads into the breach himself to finally destroy Brainiac. Lex activates the "Kryptonian Contingency". The DEO learns they are cut off from communication with New Krypton. Alex reorganizes the DEO.

Main CastEdit

Special Guest StarsEdit

Recurring CastEdit



  • Antagonists: Brainiac, Lucy Lane, Vril Dox, D.I.S.C.O.R.D., Lex Luthor, Sam Lane, Cyborg Superman, Ran-Zod (flashbacks)
  • This is the third season finale to feature Kara, James, Alex, Winn, J'onn, Cat, and Clark.
    • This is the second season finale to feature Lena, Non, Lucy, Max, General Lane, Vasquez, Alura, and Zod.
  • This episode is set on June 30, 2020.
    • This is the first season finale to feature Brainiac, Lex, Lois, D.I.S.C.O.R.D., Astra, Coville, Lesla, and Karen.



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