Watch Supergirl Season 1 Episode 17 Online
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- COUNTRIES: United States of America
- Subtitles: English
J'onn J'onzz reveals the details of meeting Kara and Alex's father, Dr. Jeremiah Danvers, and assuming Hank Henshaw's identity. Also, Kara debates trusting someone new with her secret identity and Siobhan plots against Kara.