Supergirl returned for Season 4 on October 14, 2018.

Season 4 Episode 16 is titled “House of L” Here is the synopsis from TV Guide: “In the wake of Lex Luthor’s return: A flashback to what he’s been doing for the last two years and how his secret machinations and plans have affected Supergirl and Lena.”

Don’t miss Supergirl “House of L” airing Sunday, March 24, 2019 at 8/7c on The CW.

Photos Courtesy of The CW

Video Courtesy of Supergirl Official Twitter

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