Poster of Cast and Crew in Supergirl - Season 3 - Episode 20 - Dark Side of the Moon

Supergirl - Season 3 - Dark Side of the Moon (Episode 20)

Plot: Supergirl is stunned to discover that a part of Krypton survived. Meanwhile, Alex is attacked while out with Ruby, and Lena considers how far she will go to keep Reign contained
Episode Aired On:
Monday, May 28 2018
6 years ago