‘Supergirl’ Comes to Digital, But When Will the ‘Supergirl’ 2026 Movie Be Streaming on HBO Max?

By Anna Menta Published July 27, 2026, 12:30 p.m. ET It’s neither a bird, nor a plane, nor Superman—it’s the new Supergirl movie that is soaring onto digital platforms to buy and rent, starting tomorrow. Directed by Craig Gillepsie (known for films like Lars and the Real Girl, I Tonya, Cruellla), with a screenplay written by Ana Nogueira, this new Supergirl movie is the next entry in this new phase of the DC Extended Universe, following the 2025 Superman movie starring David Corenswet. Gritty realism is out, and brightly-lit humor is in! Milly Alcock stars in the Supergirl movie as Kara Zor-El, aka Supergirl, who turns 23 and celebrates her big day by flying around the galaxy with her beloved dog Krypto. But when she meets a fellow young woman named Ruthye Marye Knoll (played by Eve Ridley