Most DVDs contain behind-the-scenes features, audio commentaries for nearly all episodes beginning with Season 4 and production galleries. The box sets of the first eight seasons were re-released with slim packaging in all regions, beginning in the United States in summer 2006. A complete series set was first released in the United States in October 2007, containing 50 discs from the ten seasons of Stargate SG-1 and four bonus discs with content not part of the original sets. More than 30 million copies of DVDs had been sold by 2006.
Most DVDs contain behind-the-scenes features, audio commentaries for nearly all episodes beginning with Season 4 and production galleries. The box sets of the first eight seasons were re-released with slim packaging in all regions, beginning in the United States in summer 2006. A complete series set was first released in the United States in October 2007, containing 50 discs from the ten seasons of Stargate SG-1 and four bonus discs with content not part of the original sets. More than 30 million copies of DVDs had been sold by 2006.