Supergirl
› Season 3
S3 E20: 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.
| Air date | May 28, 2018 |
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| Runtime | 42 minutes |
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| TMDB rating | ★ 6.8/10 |
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