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'.
This thrilling, action-packed episode sees the Stargate team fighting to stay alive in the face of the advancing Apophis and Replicators. (S5, ep 1)
In order to free his mind, Teal'c must go through a dangerous Jaffa ritual. (S5, ep 2)
After Carter blacks out in an alien world, she finds she has an unusual new friend. (S5, ep 3)
O'Neill refuses to abandon a new member of SG-1 despite nagging doubts surrounding the true identity of the new recruit. (S5, ep 4)
SG-1 discover that their wormhole may accidentally cause the extinction of life on a friendly world. (S5, ep 5)
Rite Of Passage: Cassandra develops strange new powers that threaten both her future and that of SG-1. (S5, ep 6)
Daniel goes into action when his friend Chaka is taken by slave traders. (S5, ep 7)
SG-1 teams up with the Russian Stargate squad in order to track lost soldiers in an alien temple. (S5, ep 8)
When the Tollans suddenly decide to share weapons technology with SG-1, O'Neill tries to find out why. (S5, ep 9)
In meeting a benign alien race, SG-1 comes into contact with a third species that seems too good to be true. (S5, ep 10)
When Carter goes missing on Earth, O'Neill must track her down to save her from deadly experiments. (S5, ep 11)
Wormhole X-Treme: To monitor the alien Martin, O'Neill becomes tech advisor to a new TV series whose story line is oddly familiar. (S5, ep 12)
O'Neill's training session with a young Stargate team is cut short by a real mission at Stargate Command. (S5, ep 13)
When Teal'c fails to materialise through the Stargate, the other SG-1 members race to save him before time runs out. (S5, ep 14)
Daniel Jackson is recruited by the Tok'ra to go undercover at a secret meeting of the Goa'uld System Lords. (S5, ep 16)
Enslaved by the Goa'uld, Dr Jackson attempts to destroy the System Lords. SG-1 faces an attack on the Tok'ra homeworld. (S5, ep 17)
When Earth is threatened by the approach of a massive asteroid, SG-1 becomes the last line of defence. (S5, ep 15)
Teal'c and Bra'tac join forces with a charismatic Jaffa who puts his dream of a Jaffa homeworld into practice and attempts to forge an alliance with Earth. (S5, ep 18)
Menace: SG-1 find themselves on a world controlled by the Replicators, and discover a young girl who may hold the key to the salvation of the Asgard. (S5, ep 19)
The Sentinel: SG-1 must turn to a pair of convicted criminals to save a world from annihilation by the Goa'uld. (S5, ep 20)
In a moving episode, Jackson makes the ultimate sacrifice to save a race of people who would otherwise die. His exposure to radiation seems fatal. Can Ona Desala help? (S5, ep 21)
In a gripping season finale, Osiris and Carter come face-to-face in a confrontation which can only end in tragedy - but for whom? (S5, ep 22)