Heroes: Heart-wrenching conclusion. An off-world mission ends in tragedy when a familiar face is shot and killed by enemy fire. Stock up on hankies. (S7, ep 18) [S]
Death Knell: When the Beta Site is attacked by Anubis's drones, Carter and Jacob get their first chance to test a new weapon. Jacob is injured and Carter goes MIA. (S7, ep 16) [S]
Chimera: Despite a fatal track record with men, Sam becomes romantically involved with a Denver cop. Meanwhile, Osiris visits Daniel in his sleep. (S7, ep 15) [S]
Fallout: SG1 return to Kelowna after learning that the planet is in danger of being destroyed by the unstable naquadria forming at its core. Corin Nemec guest stars. (S7, ep 14) [S]
Birthright: Jolene Blalock is Ishta, the beautiful leader of Ha'ktyl, a community of warrior Jaffa who save newborns from death at the hands of System Lord Moloc. Can SG-1 help? (S7, ep 10) [S]
Avenger 2.0: Chaos is unleashed on the Stargate system when SG-1 wannabe Dr Felger ropes Carter into developing a programme that is supposed to give them control of all gates. (S7, ep 9) [S]
Space Race: Carter swaps her motorbike for a Naquadah powered space cruiser when she enters the Loop of Garat race. Can the closet speed demon defeat the galaxy's best drivers? (S7, ep 8) [S]
Enemy Mine: As SG-3 prepare to go to war with the Unas over a Naquadah mine, Daniel reunites with his old friend Chaka in the hope of reaching a peaceful compromise. (S7, ep 7) [S]
Lifeboat: Daniel becomes a human lifeboat to the souls of a dozen cryogenically frozen people who are transferred to him after their ship crashes and the power fails on P2A-347. (S7, ep 6) [S]
Revisions: SG1 can't explain why the townsfolk on P3X289 are disappearing until O'Neill and Daniel realise that the biodome they live in is shrinking - along with the population. (S7, ep 5) [S]
Orpheus: Using knowledge remembered by Daniel in flashback, SG-1 mount a rescue mission to save Teal'c's son Ry'ac and his mentor Bratac from Goa'uld enslavement. (S7, ep 4) [S]
Fragile Balance: When a teenage boy claiming to be Colonel O'Neill turns up at the SGC, the team begins an investigation. Unfortunately, time is not on young Jack's side. (S7, ep 3) [S]
Fallen: Michael Shanks makes his hotly-anticipated return to the series as Dr Jackson in an action heavy opener which sees SG1 take on the Goa'uld System Lord Anubis. (S7, ep 1) [S]
Full Circle: SG-1 return to Abydos, the first off-world location ever visited by O'Neill and Jackson, to defend it from Anubis who wants the Eye of Ra. (S6, ep 22) [S]
Memento: SG-1 and the crew of the X-303 are stranded in space after a failed attempt to test the naquadriah hyperdrive. They must search for a stargate in order to get home. (S6, ep 20) [S]
Smoke And Mirrors: When a politician is assassinated, O'Neill is the main suspect because of indisputable evidence against him. Can his friends at the SGC clear him? (S6, ep 14) [S]
The Other Guys: When SG-1 is captured by the Goa'uld, their very survival rests with two unlikely heroes. Enterprise's John Billingsley guest stars. (S6, ep 8) [S]
Shadow Play: Jonas convinces the Pentagon that a sinister plot is afoot on his home planet and that only an SG-1 away mission can save his people. (S6, ep 7) [S]
Abyss: Michael Shanks returns for a gripping episode which sees Colonel O'Neill tortured to death and repeatedly revived by an evil System Lord. (S6, ep 6) [S]
Nightwalkers: SG-1 investigates a sleepy town on the Oregon coast whose inhabitants harbour a dark secret - the zombie-like townspeople turn out to be their worst nightmare. (S6, ep 5) [S]
Frozen: When O'Neill contracts a virus from a mysterious female found frozen in the ice, it becomes clear that his only hope of survival is to accept a symbiote from the To'kra. (S6, ep 4) [S]
Descent: Trapped on a Goa'uld mothership at the bottom of the ocean by Anubis, the SG1 team discover the craft is on self-destruct and that they only have 17 minutes to get out. (S6, ep 3) [S]
Redemption (Part 1 of 2): Unable to return to his home planet, Jonas decides to finish what Daniel started. Plus, the Stargate malfunctions. (S6, ep 1) [S]
Revelations: 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) [S]
Meridian: 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) [S]
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) [S]
The Warrior: 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) [S]
Enemies: 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) [S]