A team of explorers made up of soldiers and scientists travels through a Stargate, an ancient portal to other planets. They use the Stargate to explore new worlds, forge ties with friendly civilizations and protect Earth from hostile forces. The TV series is based on the theatrical film `Stargate'.
Imprisoned on Hathor's planet, the SG-1's only hope is Hammond and Teal'c. (S3, ep 1)
The SG-1 team pursues an ancient Goa'uld Lord hiding on Earth and posing as the leader of a religious cult. (S3, ep 2)
Rivalries between Go'auld System Lords put Earth's future in jeopardy. (S3, ep 3)
Daniel Jackson is struck down by a mysterious condition and begins suffering from hallucinations. Is the Stargate affecting Jackson's mental balance? (S3, ep 4)
O'Neill risks a potential court-martial in order to teach a young alien girl the joys of childhood. (S3, ep 5)
When an alternate reality of Earth is invaded by the Goa'uld, their version of Dr Samantha Carter, along with Major Kawalsky, seeks refuge with Stargate Command. (S3, ep 6)
Dead Man's Switch: While on a routine planet exploration, SG-1 is captured by a seemingly unfeeling alien bounty hunter. (S3, ep 7)
SG-1 encounters a medieval civilization and are mistaken for demons. (S3, ep 8)
The SG-1 team travel to a planet inhabited by young soldiers engaged in deadly war games. (S3, ep 9)
Daniel Jackson's reunion with Sha're leads to painful consequences. (S3, ep 10)
SG-1 encounters an entire world suffering from amnesia. (S3, ep 11)
Jolinar's Memories - Part I: Major Samantha Carter must access her memories of Jolinar in order to save her father. (S3, ep 12)
The Devil You Know - Part II: SG-1 must escape from a prison built to simulate the fires of Hell. (S3, ep 13)
The team returns from a mission to find that no one at the Stargate Command is who they appear to be. (S3, ep 14)
Pretence: Skaara and Klorel are put on trial to decide which one of them lives and which one dies. (S3, ep 15)
The minds of SG-1 are invaded by a curious being. (S3, ep 16)
A freak act of nature leaves Jack O'Neill trapped on a planet with seemingly no hope for return. (S3, ep 17)
O'Neill commits an indiscretion which jeopardises Earth's diplomatic relations with its allies. (S3, ep 18)
SG-1's arrival on a planet makes them pawns in an ideological war. (S3, ep 19)
SG-1 races against Apophis to find the Harsesis child. (S3, ep 20)
When Daniel seemingly vanishes during an exploration, SG-1 must seek out the assistance of his eccentric grandfather. (S3, ep 21)
SG-1 face their most formidable foe yet, a creature of mass destruction that not even the Asgard can control. (S3, ep 22)