CinemaBlend Supergirl Season 6. Supergirlâs sixth and final season is currently airing and the thought of saying goodbye to National Cityâs favorite team of heroes is undoubtedly tough on many fans who have been watching the CW series through the years. And while Supergirl already has one spinoff in Superman & Lois, could there be another potential spinoff in the works? Supergirl showrunners Robert Rovner and Jessica Queller explain the latest. Preparing to say goodbye is never easy and Supergirl is doing it in stride. However, with the show ending and the Arrowverse always expanding, talks of a spinoff are never off the table. Robert Rovner and Jessica Queller talked to The Wrap about a potential spinoff and while Rovner had said there are no conversations regarding a spinoff show happening so far, Queller has ideas: