Although most known habitable planets in the "Stargate" universe are populated by humans, there was once an Alliance of four great races, an extinct alliance of four advanced species that was built over many millennia and existed before the rise of the Goa'uld.
Although most known habitable planets in the "Stargate" universe are populated by humans, there was once an Alliance of four great races. A strategic alliance of the four advanced species was built over many millennia since before the rise of the Goa'uld.