| Image
| Title
| Number
| Airdate
| Planet(s)
| Race(s)
| Enemies
|
| "Small Victories" (Part 2 of 2)
| 401
| June 30, 2000
| Earth, Othala
| Asgard, Replicator
| Replicators
|
| A Russian submarine is overtaken by the Replicators who survived the crash of Thor's ship. Carter travels to the Ida galaxy to help the Asgard with their own Replicator problems.
|
| "The Other Side"
| 402
| July 7, 2000
| Earth, Euronda
| Eurondan, Breeder
| Alar, Farrell
|
| A race of humans contact Earth for help to win a war they have been in for centuries. By supplying them with fuel for their shields, the SGC will get some advanced technology, only it may come at a moral price.
|
| "Upgrades"
| 403
| July 14, 2000
| Earth, PX9-757
| Atanik, Jaffa, Tok'ra
| Serpent Guards
|
| A Tok'ra, Anise comes to the SGC to give the members of SG-1 a piece of technology that makes them super fast and super strong. The devices however eventually wear off when SG-1 is in danger.
|
| "Crossroads"
| 404
| July 21, 2000
| Earth, Vorash
| Goa'uld, Tok'ra
| Tanith
|
| Shan'auc, an old lover of Teal'c comes to the SGC to inform them she has influenced her symbiote and convinced it to turn against the Goa'uld.
|
| "Divide and Conquer"
| 405
| July 28, 2000
| Earth, P6Y-325, Vorash
| Tok'ra
| Za'tarc, Martouf
|
| An alliance between the Tau'ri and the Tok'ra may be in jeopardy when a member of the SGC tries to kill a Tok'ra high council member and is discovered to have been brainwashed by the Goa'uld.
|
| "Window of Opportunity"
| 406
| August 4, 2000
| Earth, P4X-639
| N/A
| Malakai
|
| While on a mission, O'Neill and Teal'c suddenly find themselves back in time 6 hours after a device activates and they must convince everyone else to try to stop it from happening again and again.
|
| "Watergate"
| 407
| August 11, 2000
| Earth, Water planet
| Water-based life form
| Water-based life form
|
| Attempting to find a new world for some refugees, the SGC's Stargate cannot be activated and it is discovered that the Russians have their own gate and it hasn't been able to be shut down.
|
| "The First Ones"
| 408
| August 18, 2000
| Earth, P3X-888
| Unas
| Robert Rothman, Unas
|
| Daniel Jackson is taken captive by an Unas and must learn to communicate with it and stall for time until he can be rescued, the Unas has other plans for him though.
|
| "Scorched Earth"
| 409
| August 25, 2000
| Enkaran home world, P5S-381, Earth
| Gadmeer, Enkaran
| N/A
|
| SG-1 relocates a group of people called the Enkarans to the only planet suitable for them only to discover the planet has been claimed by another species who have begun terraforming the planet, which when complete will not support human life.
|
| "Beneath the Surface"
| 410
| September 1, 2000
| P3R-118, Earth
| N/A
| Calder
|
| Carter, Jackson, O'Neill and Teal'c are suddenly workers on a mysterious planet with no recollection of who they once were, however some dreams make them question their life on this planet and they work to uncover the secret.
|
| "Point of No Return"
| 411
| September 8, 2000
| Earth, Martin's planet
| Martin's people
| Peter Tanner
|
| The SGC is contacted by a man who claims to have knowledge of the program. When he is met he further claims to be an alien who came to Earth years ago looking for help against an enemy attacking his world.
|
| "Tangent"
| 412
| September 15, 2000
| Earth, Jupiter
| N/A
| N/A
|
| Teal'c and O'Neill test a retrofitted Death glider and find themselves hurtling into deep space because of a device designed to return Death gliders to Apophis' homeworld, the only problem is both of them will be long dead before it reaches the planet.
|
| "The Curse"
| 413
| September 22, 2000
| Earth
| Goa'uld
| Osiris
|
| Daniel Jackson attends the funeral of his old professor and helps out an old colleague to find a missing item. It is soon discovered that some of the items contained Goa'uld symbiotes.
|
| "The Serpent's Venom"
| 414
| September 29, 2000
| Chulak, Earth, Tobin system
| Goa'uld, Jaffa, Tobin, Tok'ra
| Apophis, Heru'ur, Terok
|
| SG-1 and Selmak attempt to stop an alliance between Apophis and Heru'ur by reprogramming a space mine. Things go wrong when Apophis and Heru'ur arrive early and it is discovered that Teal'c was captured and is on board one of the vessels.
|
| "Chain Reaction"
| 415
| December 13, 2000
| Earth
| N/A
| Robert Kinsey, NID
|
| General Hammond retires from duty and the SGC is taken over by a new leader who disbands SG-1 and changes many things. O'Neill discovers that Hammond was blackmailed into stepping down by rogue members of the NID.
|
| "2010"
| 416
| January 3, 2001
| Earth
| Aschen
| Aschen
|
| In 2010, the Goa'uld are defeated, the Stargate is public knowledge and Earth is part of a confederation of planets. A disbanded SG-1 comes together for a celebration and it is discovered that the Aschen who helped them defeat the Goa'uld have been slowly sterilising the population to claim the Earth as their own and the only way to stop them is to send a message back in time.
|
| "Absolute Power"
| 417
| January 10, 2001
| Abydos, Earth
| Abydonian, Harsesis
| N/A
|
| The Harsesis has been found on Abydos and is taken back to the SGC to learn his knowledge. He gives all of his knowledge to Daniel Jackson who, in a dream, begins to design and build a system of defensive satellites to protect them from the Goa'uld. A year later he takes over this defensive network and destroys Russia.
|
| "The Light"
| 418
| January 17, 2001
| Earth, P4X-347
| N/A
| N/A
|
| An SG team member kills himself and SG-1 discover it was because of an addictive light source on another planet and Daniel Jackson has become addicted to it also. When trying to discover how to overcome this addiction, the rest of SG-1 becomes addicted.
|
| "Prodigy"
| 419
| January 24, 2001
| Earth, M4C-862
| Energy beings of M4C-862
| Energy beings of M4C-862s
|
| A brilliant Air Force cadet is chosen to get a sneak preview at the SGC and taken to an offworld base which has just encountered energy beings who soon after begin attacking the personnel, stranding SG-1 and the others on this planet.
|
| "Entity"
| 420
| January 31, 2001
| Earth, P9C-372
| Entity
| Entity
|
| A MALP begins to fly on an offworld mission on its own accord and a surge is transmitted back through the gate, frying the SGC computer and it is discovered an energy entity has come back. Trying to destroy this entity, Carter is infected with and become host to this entity.
|
| "Double Jeopardy" (Part 1 of 4)
| 421
| February 7, 2001
| Earth, Juna
| Altairan, Goa'uld, Jaffa, People of Juna
| Cronus
|
| SG-1 arrives on Juna and are captured by the forces of Cronus, Daniel Jackson is executed only to the Jaffa's surprise that he is not Daniel Jackson but an android. Back on Earth the real SG-1 is visited by Harlan who tells them where the android SG-1 went to and that they must be rescued soon or they will run out of power.
|
| "Exodus" (Part 2 of 4)
| 422
| February 14, 2001
| Vorash
| Goa'uld, Tok'ra
| Apophis, Tanith
|
| SG-1 return to Vorash to help the Tok'ra relocate to another planet. When it is discovered that Apophis and his forces are on their way a plan is put in place to cause the sun in the system to go supernova and obliterate Apophis' fleet.
|
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