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Watch Before Mars (2016) Online

  • 8.2/10
  • RUNTIME: 0h 33m
  • Subtitles: English

This is the backstory of Hana and Joon Seung, characters in the series "MARS" on Nat Geo. The twin sisters are struggling to fit into their new home and find a ham radio, allowing them to develop a friendship with a female astronaut..