Stargate SG-1 (1997-2007)

Season seven of Stargate SG-1, an American-Canadian television series, began airing on June 13, 2003 on Sci Fi. The seventh season concluded after 22 episodes on March 9, 2004 on British Sky One, which overtook the Sci-Fi Channel in mid-season. The series was developed by Brad Wright and Jonathan Glassner. Season seven regular cast members include Richard Dean Anderson, Amanda Tapping, Christopher Judge, Michael Shanks, and Don S. Davis.

Season six of Stargate SG-1, an American-Canadian television series, began airing on June 7, 2002 on Sci Fi. The sixth season concluded after 22 episodes on February 19, 2003 on British Sky One, which overtook the Sci-Fi Channel in mid-season. The series was developed by Brad Wright and Jonathan Glassner. Season six regular cast members include Richard Dean Anderson, Amanda Tapping, Christopher Judge, Corin Nemec, and Don S. Davis.

The fifth season of the military science fiction television series Stargate SG-1 commenced airing on Showtime in the United States on June 29, 2001, concluded on Sky1 in the United Kingdom on February 6, 2002, and contained 22 episodes. The fifth season introduces future main character from Jonas Quinn portrayed by Corin Nemec from 2002–2004. The fifth season is about the ongoing war with the Goa'uld Empire after the death of Apophis at the start of the season and the rise of a new System Lord named Anubis. SG-1, a military-science team, are set to explore the Milky Way Galaxy. The one-hour premiere "Enemies", which debuted on June 29, 2001 on Showtime had the lowest syndication of the seasons episode, but overall got a high viewership level. This would be the last season to feature Apophis alive, but he would return in dreams and alternate realities and timelines. The series was developed by Brad Wright and Jonathan Glassner. Season five regular cast members include Richard Dean Anderson, Michael Shanks, Amanda Tapping, Christopher Judge, and Don S. Davis.

Season four of Stargate SG-1, an American-Canadian television series, began airing on June 30, 2000 on Showtime. The fourth season concluded after 22 episodes on February 14, 2001 on British Sky One, which overtook Showtime in mid-season. The series was developed by Brad Wright and Jonathan Glassner. Season four regular cast members include Richard Dean Anderson, Michael Shanks, Amanda Tapping, Christopher Judge, and Don S. Davis.

The third season of the military science fiction television series Stargate SG-1 commenced airing on Showtime in the United States on June 25, 1999, concluded on Sky1 in the United Kingdom on March 8, 2000, and contained 22 episodes. The third continues the plot started in season one, the third season follows SG-1 in their fight against the Goa'uld Empire's System Lords, the main being Sokar until "The Devil You Know" and then Apophis after regaining power after the event in "The Devil You Know." The season introduces the long unseen and unnamed enemy of the Asgards, the Replicators who are self-replicating machines that seek to convert all civilizations into more of themselves, thus posing a dire threat to all other beings. The Replicators are first mentioned, but not named, in season three episode "Fair Game". The one-hour premiere "Into the Fire", which debuted on June 25, 1999 on Showtime did not receive any syndication rating, but overall got a high viewership level. The series was developed by Brad Wright and Jonathan Glassner, who also served as executive producers. Season 3 regular cast members include Richard Dean Anderson, Michael Shanks, Amanda Tapping, Christopher Judge, and Don S. Davis.

Season two of Stargate SG-1, an American-Canadian television series, began airing on June 26, 1998 on Showtime. The second season concluded after 22 episodes on February 10, 1999 on British Sky One, which overtook Showtime in mid-season. The series was developed by Brad Wright and Jonathan Glassner, who also served as executive producers. Season two regular cast members include Richard Dean Anderson, Michael Shanks, Amanda Tapping, Christopher Judge, and Don S. Davis.

The first season of the military science fiction television series Stargate SG-1 commenced airing on the Showtime channel in the United States on July 27, 1997, concluded on the same channel on March 6, 1998, and contained 22 episodes. The show itself is a spin off from the 1994 hit movie, Stargate written by Dean Devlin and Roland Emmerich. Stargate SG-1 re-introduced supporting characters from the film universe, such as Jonathan "Jack" O'Neill and Daniel Jackson and included new characters such as Teal'c, George Hammond and Samantha "Sam" Carter. The first season was about a military-science expedition team discovering how to use the ancient device, named the Stargate, to explore the galaxy. However, they encountered a powerful enemy in the film named the Goa'uld, which is bent on destroying Earth and all that opposes them.