The legacy of Stargate SG-1 (1997–2007) is defined by its transition from a cult-classic film to one of the most enduring science fiction franchises in television history. Spanning ten seasons, it effectively built an expansive mythos that combined military procedural elements with deep-space exploration and ancient mythology. The Evolution of the Franchise (1997–2021) Television Debut (1997):
Stargate SG-1 ran for and was a cornerstone of sci-fi television, following an elite military team exploring the galaxy via an ancient portal. Stargate Sg-1 -1997- 2021
: The discovery of the Lost City of Atlantis in season 7 led to the launch of Stargate Atlantis in 2004. The legacy of Stargate SG-1 (1997–2007) is defined