Supergirl S03E20 - Dark Side of the Moon
Supergirl (2015)
S03E20 Dark Side of the Moon
Episode Overview
Title: Shadows of the Moon Plot: Supergirl is shocked to learn that a fragment of Krypton still exists. At the same time, Alex faces a dangerous encounter while out with Ruby, prompting concern for their safety. Meanwhile, Lena grapples with the lengths she is willing to go to in order to ensure that Reign remains under control.