“Supergirl” S03E23 “Battles Lost and Won” Behind-the-Scenes and Preview Clips

The CW has released two preview clips and a behind-the-scenes video for the Season 3 finale of “Supergirl”.

Titled “Battles Lost and Won”, this episode is scheduled to air on The CW in the USA on Monday, June 18 at 8.00pm ET/PT.

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.

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