Stargate SG-1 is available to stream for free on Pluto TV. Nirrti was first mentioned in Stargate SG-1 season 1, episode 15, "Singularity," when it is revealed that she was a System Lord obsessed ...

Following its 10th season in 2007, "Stargate SG-1" was cancelled by the Sci-Fi channel. A 10-season run is impressive, though, especially considering "SG-1" was almost axed after season 8 to make ...