You can now watch the entire Supergirl Season 3 Episode 18 movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.
When Reign starts hunting Ruby, Supergirl and Alex work together to keep her safe. Supergirl and J'onn look to Sam's motherfor advice on how to stop Reign and come away with some shocking news.