25/06/1999      Into the Fire

The SGC sends a rescue mission to Hathor's base to retrieve SG-1, and Jack kills Hathor. Using Tok'ra tunnels already present on the planet, SG-1 escapes and returns home.

02/07/1999      Seth

A Goa'uld named Seth has lived on Earth for thousands of years and now is the leader of a dangerous cult. SG-1 uses zats to overcome the cult members' brainwashing, and in the ensuing rescue, Seth is killed by Carter.

09/07/1999      Fair Game

The Asgard warn the SGC that the Goa'uld are planning an attack on Earth. With the help of the Asgard, SG-1 negotiates with three Goa'uld System Lords to bring Earth into the Protected Planets Treaty. Captain Carter is promoted to the rank of Major.

16/07/1999      Legacy

SG-1 finds skeletons of several humans and symbiotes. Upon returning, Jackson shows signs of schizophrenia. The cause is a Goa'uld-killer of Ma'chello's (having a strange effect on a non-Goa'uld), and the devices are neutralised.

23/07/1999      Learning Curve

SG-1 visits a planet where knowledge is harvested through its children. O'Neill and Carter have a profound effect on them, and many begin to 'learn the old way'.

30/07/1999      Point of View

Using the mirror from "There But For the Grace of God", an alternate Carter and Kawalsky come to the SGC from an Earth that has been invaded by the Goa'uld. SG-1 saves the alternate reality by contacting the Asgard there.

06/08/1999      Dead Man's Switch

SG-1 is captured by a bounty hunter who uses them to help catch a Tok'ra. The Goa'uld has his race addicted to a drug that can be supplied only by them, but he repents at the last moment and asks Sam to help free him from the drug.

13/08/1999      Demons

SG-1 visits a planet ruled by a Goa'uld-infested Unas, who uses the persona of the Devil to keep the residents ruled by fear. They free the people of the 'devil' and instruct them to bury the Stargate.

20/08/1999      Engagement

SG-1 discovers a planet where Apophis was training human slaves to infiltrate the SGC. SG-1 shows them footage of Apophis dying, and they all renounce him as a false god.

08/10/1999      Forever in a Day

After being found Daniel's wife Sha're is killed by Teal'c to prevent the Goa'uld controlling her from killing Daniel. Jackson then starts seeing visions of a residual thought transferred to him by Sha're in the last moments - he must find her son.

15/10/1999      Past and Present

Ke'ra, an offworlder has tried to slow the aging process but a side-effect has wiped everyone's memories. Linnea is now a different person, and Jackson persuades her not to take a memory-recall drug.

22/10/1999      Jolinar's Memories

Jacob/Selmak is captured by Sokar. Jolinar was the only person to escape from Sokar's home moon and Sam has residual memories of the method. SG-1 is captured, and discovers that Apophis controls the moon.

29/10/1999      The Devil You Know

SG-1 manages to escape from Netu with Jacob and Selmak and make it back to Earth, using a Tok'ra bomb that blows up the moon and destroys Sokar's ship, killing Sokar with it. Apophis, however, escapes, and has risen again.

05/11/1999      Foothold

Stargate Command is under alien control, and the aliens can look and act just like us. Major Carter must ask an old adversary to help her retake the base.

21/01/2000      Pretense

Skaara/Klorel crash lands on Tollana and the Tollan invite SG-1 to represent Skaara in a trial to decide whether Skaara or Klorel has the right to use Skaara's body. Skaara wins. Lya of the Nox and SG-1 prevent a Goa'uld attack on Tollana.

28/01/2000      Urgo

The members of SG-1 are implanted with an A.I. named Urgo. They manage to rectify the problem by visiting Urgo's creator, who implants Urgo in himself instead to improve his personality.

04/02/2000      A Hundred Days

A friendly planet will be destroyed by meteorite bombardment. SGC moves most of the population to another planet but O'Neill is trapped. SG-1 uses a particle beam to breach the iris that formed over the offworld gate, and retrieve O'Neill.

11/02/2000      Shades of Grey

After stealing technology from the Tollan, Jack O'Neill is forced to retire. He joins a rogue SG team to obtain technology by any means. However, Jack was actually on a secret mission as a double agent to find and capture the rogues.

18/02/2000      New Ground

SG-1 visits a planet in the middle of a Cold War and are mistaken for infiltrators. They are captured on the side which they have just proved wrong (they believe a Goa'uld created humans on their world). With the help of a local, SG-1 escapes.

25/02/2000      Maternal Instinct

Jackson knows that the Harcesis is on a planet called Kheb; Bra'tac knows how to get there. They find a Zen monk who teaches Daniel about the ways of Ascension and an ascended being (Oma Desala) saves the child.

03/03/2000      Crystal Skull

SG-1 finds a Mayan ziggurat; inside is a crystal skull that makes Daniel a 'ghost'. Daniel's grandfather Nick found a similar skull in Belize and helps out. When they return to the planet, giant aliens arrive and return Daniel to normality.

10/03/2000      Nemesis

Thor's starship has been infected by Replicators. In order to keep it from landing on earth, SG-1 disables the deceleration engines so the ship burns up in the atmosphere and crashes in the Pacific - but one replicator remains.