The CW Television Network has released the official synopsis for the upcoming twentieth episode of Supergirl‘s current season, an episode titled “Dark Side of the Moon” and you can check it out below.
“Dark Side of the Moon” — (8:00-9:00 p.m. ET) (TV-PG, V) (HDTV)
SUPERGIRL LEARNS A STUNNING SECRET ABOUT KRYPTON – Supergirl (Melissa Benoist) is stunned to discover that a part of Krypton survived. Meanwhile, Alex (Chyler Leigh) is attacked while out with Ruby (guest star Emma Tremblay), and Lena (Katie McGrath) considers how far she will go to keep Reign contained. Hanelle Culpepper directed the episode written by Derek Simon & Katie Rose Rogers (#320). Original airdate 5/28/2018.
Supergirl airs on Mondays, on The CW.