New 'Stargate' show cancelled at Amazon MGM

This one hurts Stargate fans. Remember that new "Stargate" show that Amazon announced it was working on for Prime Video back in November 2025? Yeah, that's not happening anymore. As reported by Variety , Amazon has axed the new "Stargate" TV series. The show was being developed by Martin Gero, who was a co-producer on both the "Stargate: Atlantis" and "Stargate: Universe" spin-off shows, along with input from Stargate SG-1 showrunner Joseph Mallozzi and producer Brad Wright. The news was confirmed by Mallozzi in a post on X shortly after the story broke. According to a source that Variety spoke to, the show was cancelled because "Amazon execs were concerned that Gero's take on the series would not have broad appeal beyond the franchise’s already dedicated fanbase". Mallozzi pushed back against this statement on X, saying, "Nope. No. Sorry. Gonna have to push back on this. We were ever mindful of creating a show that would have broad appeal." Very few plot details had been shared about Gero's project, but in an interview with Stargate podcast Dial the Gate in November 2025, Gero said that the show was "not here to undo what came before", framing the project as a continuation of the franchise, rather than a reboot. The show was still early in development, with Gero also noting in that same interview that "We're not casting yet. We're nowhere near casting yet." This is disappointing news for Stargate fans — me chief among them — but there is still hope. …