Recap and review of the Supergirl Season 3 finale "Battles Lost and Won"
Preview clips for the Supergirl Season 3 finale "Battles Lost and Won"
Preview images for the Supergirl Season 3 finale "Battles Lost and Won"
Trailer for the Supergirl Season 3 finale "Battles Lost and Won"
Official CW description for the Supergirl Season 3 finale "Battles Lost and Won."
The Supergirl Season 3 finale will be called "Battles Lost and Won."
