Stargate SG-1 is a military science fiction adventure television series within Metro-Goldwyn-Mayer's Stargate franchise. The show, created by Brad Wright and Jonathan Glassner, is based on the 1994 science fiction film Stargate by Dean Devlin and Roland Emmerich. It premiered on Showtime on July 27, 1997, and moved to the Sci Fi Channel on June 7, 2002; the final episode first aired on Sky1 on March 13, 2007. The plot of the series picks up a year after the conclusion of the original feature film.