"Stargate SG-1" is a science fiction television series that premiered in 1997. It follows a military team, led by Colonel Jack O'Neill, as they explore other planets through a device called the Stargate. The team includes Dr. Daniel Jackson, an archaeologist, Major Samantha Carter, a scientist, and Teal'c, a former warrior from the alien race known as the Jaffa. The series is a spin-off of the 1994 film "Stargate" and ran for ten seasons, concluding in 2007. Throughout its run, the team encounters various alien civilizations, battles threats like the Goa'uld, and seeks to protect Earth from interstellar dangers.