Supergirl 3x23 Extended Promo "Battles Lost and Won" (HD)

Supergirl (Melissa Benoist) and team take on Serena in an epic battle for Earth. Jesse Warn directed the episode written by Robert Rovner & Jessica Queller (#323). Original airdate 6/18/2018.

• 12 Jun 2018
• Duration: 00:41

• Supergirl 3x23 Extended Promo
• Supergirl 3x23
• Promo
• preview
• Entertainment
• show
• Episode
• cap

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