Part of the Arrowverse of connected, DC Comics-inspired television shows airing on The CW, Supergirl just concluded its fourth season with the titular heroine having defeated Lex Luthor and his ...

However, due to its expensive price tag, it was moved to The CW (a ... of the Supergirl series finale was the return of Calista Flockhart as Cat Grant. A series reguar in season 1, the Ally ...