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Watch Supergirl Season 3 Episode 9 Online

  • 7.326/10
  • COUNTRIES: United States of America
  • Subtitles: English

Supergirl investigates a mysterious symbol popping up all over National City, tracing its origins back to an ancient prophecy and the mark of the World Killer, Reign. Meanwhile, the tension between Lena and Morgan Edge continues to build, causing James to step in and offer up some protection, and possibly igniting a spark in the process.