Stargate SG-1 is a
Canadian-
American adventure and
military science fiction television series and part of
Metro-Goldwyn-Mayer's
Stargate franchise. The show, created by
Brad Wright and
Jonathan Glassner, is based on the 1994 feature film
Stargate by
Dean Devlin and
Roland Emmerich. The television series was filmed in and around the city of
Vancouver,
Canada. In the United States,
Showtime broadcast the first five seasons, from 1997 to 2002, and then the series moved to the
Sci Fi Channel for its last five seasons, from 2002 to 2007. The final episode premiered on
Sky1 in the United Kingdom on March 13, 2007, three months before its United States premiere. With ten seasons and 214 episodes, Stargate SG-1 surpassed
The X-Files in 2007 as the longest-running North American science fiction series on television, before being surpassed by
Smallville in 2011 with 218 episodes in ten seasons.