Season 3 Episode 22

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Make It Reign

Supergirl learns the true depth of Serena's nefarious plans for Earth. Supergirl, Mon-El and Alura must devise a plan to stop her before Serena gets to Earth. J'onn prepares to say goodbye to his father.

Season: 3
Episode: 22
Air Time:
Air Date: 2018-06-11
Air On: CBS, The CW