Summary SCREENRANT VIDEO OF THE DAY SCROLL TO CONTINUE WITH CONTENT Throughout their travels in Stargate SG-1, the SGC encountered many alien races, each from a variety of planets and possessing unique abilities. Of course, there were those like the Goa'uld and Jaffa who were encountered consistently throughout the popular sci-fi series, but there were also those who only popped up from time to time . Some Stargate aliens were villains, while others were allies.
20 Asgard Original Homeworld: Orilla Close The Asgard are another highly advanced alien race of Stargate SG-1, and luckily, they became one of Earth's greatest allies. Like the Goa'uld, the Asgard came to Earth centuries before the start of Stargate and allowed the humans there to regard them as gods . Their home is the planet Orilla, but their race wound up spreading throughout the galaxy when they were tasked with being its primary protectors.
15 Goa'uld Homeworld: P3X-888 Close Perhaps the most important alien race of Stargate SG-1 is the Goa'uld. This parasitic race must take over a host to survive, and they find humans to be the perfect fit. For this reason, the Goa'uld used their advanced technology to enslave Earth civilizations throughout history, taking their bodies and convincing them that they were gods. Even the word "goa'uld" means "god" in the race's language.
11 Nox Homeworld: Gaia The Nox of Stargate SG-1 is another alien race belonging to the Alliance of Four Great Races, along with the Asgard, Furlings, and Ancients. These peaceful and whimsical-looking people are native to the planet Gaia. They didn't look it in Stargate, but they were a highly advanced race that developed technology that existed harmoniously with the nature of their planet.