Behind the Scenes on “Supergirl” S02E11 “The Martian Chronicles”

With the 11th episode of Season 2 of “Supergirl” airing tonight, Executive Producer Ali Adler takes us behind the scenes of the story, in which a White Martian descends on National City.

Titled “The Martian Chronicles”, this episode airs on The CW on Monday, February 6.