| Events
| Source
|
- SG-1 discovered an Ancient time machine built inside a puddle jumper on a planet in the Milky Way Galaxy. General Jack O’Neill flies the puddle jumper through the Stargate to Earth, as he had the ancient gene needed to interface with Ancient technology.
| (SG1: "It's Good to Be King")
|
- The Goa'uld controlled The Trust nearly causes a nuclear war between the major superpowers on Earth. The Prometheus destroys the Al'kesh the Trust is using.
| (SG1: "Full Alert")
|
|
| (SG1: "Reckoning, Part 2")
|
- The USS Daedalus is launched and completes its final trials. Catherine Langford dies. SG-1 goes time travelling 5,000 years into the past to recover a ZPM from Ra.
| (SG1: "Moebius, Part 1", "Moebius, Part 2")
|
|
| (ATL: "The Siege, Part 1", "The Siege, Part 2", "The Siege, Part 3")
|
| Number
| Title
| Planets
| Races
| Production Company
| Airdate
|
| 111
| The Eye (Part 2 of 2)
| Lantea
| Genii
| MGM Television Entertainment
| January 21
|
| 112
| The Defiant One
| Lantea, Light Bugs' Planet
| Light bug, Wraith
| MGM Television Entertainment
| January 28
|
| 113
| Hot Zone
| Lantea
| N/A
| MGM Television Entertainment
| February 4
|
| 114
| Sanctuary
| Lantea, Proculis
| Ancient, Wraith
| MGM Television Entertainment
| February 11
|
| 115
| Before I Sleep
| Lantea
| Ancient
| MGM Television Entertainment
| February 18
|
| 116
| The Brotherhood
| Dagan, Lantea
| Daganian, Genii
| MGM Television Entertainment
| February 25
|
| 117
| Letters from Pegasus
| Lantea, Orin's planet
| Wraith
| MGM Television Entertainment
| March 4
|
| 118
| The Gift
| Lantea, Unnamed
| Athosian, Wraith
| MGM Television Entertainment
| March 11
|
| 119
| The Siege (Part 1 of 3)
| Lantea
| Athosian, Wraith
| MGM Television Entertainment
| March 18
|
| 120
| The Siege (Part 2 of 3)
| Lantea
| Athosian, Genii, Wraith
| MGM Television Entertainment
| March 25
|
| 201
| The Siege (Part 3 of 3)
| Lantea
| Asgard, Wraith
| MGM Television Entertainment
| July 15
|
| 202
| The Intruder
| Earth, Lantea
| Asgard
| MGM Television Entertainment
| July 22
|
| 203
| Runner
| Lantea, P3M-736
| Satedan, Wraith
| MGM Television Entertainment
| July 29
|
| 204
| Duet
| Lantea, Thenora
| Wraith
| MGM Television Entertainment
| August 5
|
| 205
| Condemned
| Lantea, Olesia
| Olesian, Wraith
| MGM Television Entertainment
| August 12
|
| 206
| Trinity
| Belkan, Doranda, Lantea
| Belkan, Satedan
| MGM Television Entertainment
| August 19
|
| 207
| Instinct (Part 1 of 2)
| Lantea, Unnamed
| Wraith
| MGM Television Entertainment
| August 26
|
| 208
| Conversion (Part 2 of 2)
| Lantea, Unnamed
| Iratus bug
| MGM Television Entertainment
| September 9
|
| 209
| Aurora
| Lantea
| Ancient
| MGM Television Entertainment
| September 23
|
| 210
| The Lost Boys (Part 1 of 2)
| Ford's planet, Lantea
| Genii, Wraith
| MGM Television Entertainment
| September 23
|
| 211
| The Hive (Part 2 of 2)
| Edowin, Ford's planet, Lantea
| Wraith
| MGM Television Entertainment
| November 22
|
| 212
| Epiphany
| Lantea, Planet of the Cloister
| People of the Cloister
| MGM Television Entertainment
| November 29
|
| 213
| Critical Mass
| Earth, Lantea
| Athosian, Goa'uld, Wraith
| MGM Television Entertainment
| December 6
|
| 214
| Grace Under Pressure
| Lantea
| Flagisallus
| MGM Television Entertainment
| December 13
|
| 215
| The Tower
| Lantea, Planet (The Tower)
| N/A
| MGM Television Entertainment
| December 20
|
