Amazon MGM Studios cancels planned Stargate series

Amazon MGM Studios has canceled its planned revival of the Stargate science fiction franchise, a project that had been formally greenlit for its Prime Video streaming service less than a year ago. The decision, confirmed on June 3, 2026, halts a new series that was being developed by veteran writer and producer Martin Gero.

The series was intended to be a fresh entry point into the expansive Stargate universe, which began with the 1994 feature film and expanded through multiple television series. Gero, who had previously worked on the shows Stargate SG-1, Stargate Atlantis, and Stargate Universe, had spent over two years developing the project. According to sources familiar with the matter, studio executives ultimately concluded that the show's creative direction was too focused on serving the existing, dedicated fanbase and lacked the broad appeal necessary for a major streaming investment. The project had progressed significantly, having completed a 20-week writers' room and entered pre-production in the United Kingdom before being canceled.

Key creative figures from the franchise's history were attached to the project. Gero was set to serve as creator, writer, executive...