Supergirl Season 6 Episode 17
I Believe In A Thing Called Love
Episode Description: I Believe In A Thing Called Love
Supergirl Season 6 Episode 17 Watch Online - When Lex Luthor appears by Nyxly's side, Supergirl and team must deal with the emotional fallout of facing their two biggest foes at the same time. Alex makes plans for the perfect proposal to Kelly, but work keeps getting in the way.
