Supergirl - Full Series Information, Trailer & IMDb Reviews
Watch Supergirl Season 4 Episode 21 online. Maybe available on Youtube, Netflix, PrimeVideo, Hulu, Disney and other legal streaming platforms.
Kara comes face to face with Red Daughter and the two engage in an epic battle. Determined to find a way to extract the Harun-El, Lena turns to an unlikely source for help - Lillian Luthor. Meanwhile, Alex realizes she's missing parts of her memory, and Brainy, Nia and J'onn set out to track down aliens who have been abducted by Lex.