Description by couchtuner for Supergirl Season 1 Episode 11 : Kara must help Hank face his painful past when a White Martian, a member of the alien race that wiped out his people, kidnaps Senator Miranda Crane, an anti-alien politician. Also, Cat’s estranged son, Adam, arrives in National City.
Watch It Here : Supergirl Season 1 Episode 11 Strange Visitor From Another Planet