Supergirl Episode 3x23 Season Finale Battles Lost and Won Sneak Peek, Inside The Episode, Promotional Photos, Promos + Press Release

Sneak Peek

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Inside The Episode

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Melissa Benoist Previews The Finale

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Promotional Photos

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Extended Promo

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Promo

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Press Release

SUPERGIRL

“Battles Lost and Won” — (8:00-9:00 p.m. ET) (Content Rating TBD) (HDTV)

SHOCKING SEASON FINALE – 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.