Supergirl Season 4 “American Alien” Promo Moves to Sundays Supergirl Season 4 moves to Sunday nights and premieres October 14th on The CW! Show More… Comments Related Videos SUPERGIRL Season 4 Comic-Con Trailer (HD) Supergirl Season 3 Comic-Con Trailer (HD) Supergirl Season 2 Spring Recap (HD) Supergirl Season 2 Recap (HD)
