Watch Supergirl s2e19 online stream free.
Description by couchtuner for Supergirl Season 2 Episode 19 : Alex is kidnapped and the kidnapper threatens to kill her unless Supergirl releases a notorious criminal from prison. Supergirl and Maggie have always had different approaches to apprehending criminals but this time they must work together to save Alex. Meanwhile, Rhea has an interesting proposal for Lena.
Watch It Here : Supergirl Season 2 Episode 19 Alex
