Supergirl 3x09 Extended Promo "Reign" (HD) Extended Promo Mid-Season Finale

REIGN CHALLENGES SUPERGIRL – Supergirl (Melissa Benoist) 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 (Odetee Annable).

• 2017-11-28T23:15:23+00:00
• Duration: 00:30

• Supergirl 3x09 Extended Promo
• Supergirl 3x09
• Promo

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