Supergirl S3E1 · Girl of Steel

Supergirl

Season 3 · Episode 1 · Girl of Steel · 42 min

Kara deals with the loss of Mon-El by focusing all her energy on being Supergirl and the mysterious new threat against National City. Alex confesses a secret to Maggie about their impending nuptials. A citizen of National City has a mysterious connection to Kara, and Lena makes a bold move.