What will happen on the Season Finale of Supergirl? Find out when the episode airs June 18.
The episode is titled “Lost and Won” Here is the synopsis from TV Guide: “In the Season 3 finale, Supergirl and the team face Serena in a battle for Earth.”
Don’t miss the Season Finale of Supergirl “Battles Lost and Won” airing Monday, June 18 at 8/7c on The CW.
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