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Supergirl: Season3 | Episode20
Dark Side of the Moon
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.
S3 - E1Girl of Steel Oct. 09, 2017
S3 - E2Triggers Oct. 16, 2017
S3 - E3Far From the Tree Oct. 23, 2017
S3 - E4The Faithful Oct. 30, 2017
S3 - E5Damage Nov. 06, 2017
S3 - E6Midvale Nov. 13, 2017
S3 - E7Wake Up Nov. 20, 2017
S3 - E8Crisis on Earth-X (I) Nov. 27, 2017
S3 - E9Reign Dec. 04, 2017
S3 - E10Legion of Superheroes Jan. 15, 2018
S3 - E11Fort Rozz Jan. 22, 2018
S3 - E12For Good Jan. 29, 2018
S3 - E13Both Sides Now Feb. 05, 2018
S3 - E14Schott Through the Heart Apr. 16, 2018
S3 - E15In Search of Lost Time Apr. 23, 2018
S3 - E16Of Two Minds Apr. 30, 2018
S3 - E17Trinity May. 07, 2018
S3 - E18Shelter from the Storm May. 14, 2018
S3 - E19The Fanatical May. 21, 2018
S3 - E20Dark Side of the Moon May. 28, 2018
S3 - E21Not Kansas Jun. 04, 2018
S3 - E22Make It Reign Jun. 11, 2018
S3 - E23Battles Lost and Won Jun. 18, 2018