Watch Supergirl – Season 4 Episode 16: The House of L
Cast: Katie McGrath , Melissa Benoist , Chyler Leigh , David Harewood , Jesse Rath , Nicole Maines , Azie Tesfai , Julie Gonzalo , Staz Nair , Peta Sergeant
Directors: Greg Berlanti , Andrew Kreisberg , Ali Adler
Watch Supergirl – S4E16
Episode Overview
In the wake of Lex Luthor's return, the show flashes back to what he's been doing for the last two years and how his secret machinations and plans have affected Supergirl and Lena.
