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The CW has released the the promo for next week’s new episode of Supergirl, the season 3 finale! Check it out in the player below!
https://youtu.be/oj3rI5Q7_Xo
Set to air Monday, June 18, the Supergirl season 3 finale is titled “Battles Lost and Won” and is officially described as follows: “SHOCKING SEASON FINALE – Supergirl (Melissa Benoist) and team take on Serena in an epic battle for Earth.”
Jesse Warn directed the episode which was written by Robert Rovner & Jessica Queller.
