The Stargate franchise has had several great spinoffs, but there are some characters with the potential to lead their own series that never got a chance. Of course, between Stargate SG-1, Stargate Atlantis, Stargate Universe, and more, virtually all protagonists had the opportunity to lead out an episode or two, and each had their own exciting plotlines and character arcs. Still, For some of these Stargate characters, it has always felt like they could have been taken further.
https://screenrant.com/stargate-sg1-characters-deserve-spinoffs/