Question: "Medusa" is the eighth episode of the second season from The CW television series "Supergirl", which aired on which date, the episode features a minor tie-in with the Arrowverse crossover event "Invasion!"?
Sentence (from "162 Candles"): The episode was written by Barbie Kligman and Gabrielle Stanton and directed by Rick Bota.
Relevant evidence: No