A Luthor and a Super
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Season 3, Episode 7 (43)
Vital statistics
Air date Unaired
Written by Illyriarocks
Directed by Illyriarocks
Episode guide
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A Luthor and a Super is the seventh episode of Supergirl Season 3 and the 43rd episode overall.


WORKING TOGETHER- To give Clark a day off, Lena heads to Metropolis with Alex when Brainiac resurfaces. While there, the duo learns that Brainiac has a new partner: Lex Luthor. In National City, Kara and J'onn must team with Lesla to defeat Lex's newest genetic experiment.

Main Cast

Special Guest Stars

Recurring Cast



  • Antagonists: Lex Luthor, Vril Dox, Brainiac
  • 3rd episode this season to feature all main characters.
  • The title is a reference to Lena's happy musing to Supergirl after her gala was crashed by Cadmus agents in Crossfire.
  • This episode is Lena-centric.
  • This episode takes place on June 5, 2020.



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