Supergirl will return to The CW for a 20-episode sixth and final season in 2021. The CW and Warner Bros. Television on Tuesday announced that the superhero drama starring Melissa Benoist is coming to an end.

Supergirl will return to The CW for a 20-episode sixth and final season in 2021. The CW and Warner Bros. Television on Tuesday announced that the superhero drama starring Melissa Benoist is coming to an end.