SG-1 arrives at Earth's secret off-world base which was recently destroyed by Anubis in episode 7x16 "Death Knell".
From episode 1x11 "Bloodlines".
From episode 5x20 "The Sentinel".
From episode 6x16 "Metamorphosis".
The team holds a wake for Daniel when they believe him dead in episode 1x12 "Fire and Water". Jack is sitting at his home after getting thrown out of the Stargate program when is approached by Maybourne in episode 3x18 "Shades of Grey". The team searches Jack's house with a younger version of himself in episode 7x03 "Fragile Balance". From episode 7x21 "Lost City: Part 1". From episode 7x22 "Lost City: Part 2". From episode 8x14 "Full Alert". From episode 8x15 "Citizen Joe". From episode 8x18 "Threads". From episode 8x20 "Moebius: Part 2".
The team arrives on a planet through the Stargate. At the end of the episode Jack kills the Canon when they realize he is a Goa'uld in episode 3x08 "Demons".
SG-1 lands on the Nox homeworld and later they return to find the Stargate missing in episode 1x13 "Hathor".
SG-1 runs some SGC recruits when they receive a call about a foothold situation in episode 5x13 "Proving Ground".
The team travels to the secret Russian Stargate facility and attempts to defeat some water creatures in episode 4x07 "Watergate".
Source: Richard D. Anderson Website
SG-1 is replaced with mechanical doppelgängers while exploring this factory in episode 1x18 "Tin Man".
SG-1 is forced to work in a factory underneath the domed city in episode 4x10 "Beneath the Surface".
SG-1 arrives on Hebridan and views Warrick's ship, The Seberus, in episode 7x08 "Space Race".
SG-1 arrives in a facility beneath a planet that was devastated by the Goa'uld and Daniel accidentally activates a alternate-universe mirror in episode 1x19 "There But for the Grace of God".
The refugees from Nassya are treated at this hospital in episode 2x02 "In the Line of Duty".
The team visits Daniel's grandfather, Nicholas Ballard, to ask him about the skull in episode 3x21 "Crystal Skull".
Jack and Teal'c are forces to relive a botched operation of Jack's in episode 2x04 "The Gamekeeper".
Daniel recovers under the ministrations of Leda Kane in episode 8x05 "Icon".
SG-10 is trapped and killed when the planet they are exploring is caught in the event horizon of a black hole in episode 2x16 "A Matter of Time".
The team follows Steven Rayner to some ruins in the desert where he founds some Goa'uld devices in episode 4x13 "The Curse".
The team is helping evacuate the Tok'ra when the planet is attacked by Apophis in episode 4x22 "Exodus".
While filming on location, the Wormhole X-Treme! crew witnesses Martin's spaceship arrive in episode 5x12 "Wormhole X-Treme!".
SG-1 is exploring a planet when they witness Apophis's death glider crash in episode 2x18 "Serpent's Song".
SG-1 is guarding a team of scientists when they are captured by the Goa'uld in episode 6x08 "The Other Guys".
Sam and Jonas meet with a reporter to show her around the new spaceship in episode 6x11 "Prometheus".
After being forced to land the Prometheus on a planet, SG-1 locates and digs up the local stargate in episode 6x20 "Memento".
Dr. Lindsay is helping out the people on a planet when a Prior comes through the gate in episode 9x03 "Origin".
SG-1 travels through the gate to find a world where Vala once ruled as a god in episode 9x05 "The Powers That Be".
An Ori Prior arrives on the planet and creates a forcefield around the gate in episode 9x06 "Beachhead".
SG-1 tracks the second Stargate and stolen Touchstone to a secret N.I.D. hanger in Southern Utah in episode 2x14 "Touchstone".
SG-1 arrives at a Russian airfield on their way to the secret Russian Stargate facility in episode 4x07 "Watergate".
SG-1 discovers that the Beta Stargate stored in this facility has been replaced with a fake in episode 2x14 "Touchstone".
Jack visits the film studio where Martin Lloyd is producing the television series based off the Stargate program in episode 5x12 "Wormhole X-Treme!". The Wormhole X-Treme! set is seen again in episode 10x06 "200".
After Sam takes Alec Colson on a flight in a F-302, he tells her he will still reveal the truth about the gate in episode 8x08 "Covenant".
SGC guards are confused by the dog apparently driving Jack's car in episode 10x06 "200".
Jack and Teal'c are relaxing on the dock when Teal'c receives a call from Daniel about the Goa'uld symbols in episode 4x13 "The Curse". Sam visits Jack to convince him to help them stop the Aschen in episode 4x16 "2010". From episode 6x15 "Paradise Lost". Mitchell and Landry spend time at the cabin in episode 10x05 "Uninvited".
Jack goes to Maybourne's apartment to break into the N.I.D. computer network in episode 4x15 "Chain Reaction".
Teal'c stops some thugs from attacking a man who was involved in a car crash with them in episode 8x07 "Affinity".
Jack calls Daniel while Maybourne gets a hot dog in episode 4x15 "Chain Reaction".
Maybourne calls Jack to let him know he has escaped to a tropical paradise in episode 4x15 "Chain Reaction".
Teal'c teaches his neighbor Krista his exercise routine in episode 8x07 "Affinity".
Jack and Maybourne visit Kinsey's house during a party and use his computer to access N.I.D. files in episode 4x15 "Chain Reaction".
Jack visits General Hammond after the General resigns from the program to find out why he left in episode 4x15 "Chain Reaction".
Sam & her future husband Joe have breakfast and talk about their efforts to have kids in episode 4x16 "2010".
Daniel is visited by Sam after using his new Goa'uld memories to make himself rich in episode 4x17 "Absolute Power".
The people on a tour at a museum on Tegalus are shocked when the Stargate activates and the MALP arrives in episode 8x05 "Icon".
Appears as the military base in Caledonia Capital City in episode 9x15 "Ethon".
Sam is taken to an abandoned hospital and her body's reaction to Jolinar is studied in episode 5x11 "Desperate Measures".
The people of Pangar are holding a Goa'uld queen and forcing it to spawn symbiotes for them in episode 6x10 "Cure".
Russian soldiers capture Daniel an interrogate him about his interest in General Miroslav Kiselev in episode 8x14 "Full Alert".
Jack visits Maybourne in his motel room and they track down Colonel Simmons in episode 5x14 "48 Hours".
Senator Kinsey is leaving his hotel when he is shot by someone who looks suspiciously like Jack in episode 6x14 "Smoke & Mirrors".
Teal'c and Krista stay overnight in a hotel after he helps her flee her abusive boyfriend in episode 8x07 "Affinity".
Daniel and Agent Barrett spy on the hotel where their believe Baal is staying in episode 9x07 "Ex Deus Machina".
An amnesiac Vala cares for Mitchell in a motel room in episode 10x08 "Memento Mori".
Vernon is trying to fly Las Vegas when he is stopped by SG-1 in episode 6x13 "Sight Unseen".
Hammond is giving a speech when a hazmat crew from the SGC arrives to take Lieutenant Fischer back to the base in episode 9x10 "The Fourth Horseman: Part 1".
SG-1 has breakfast at a diner and discusses their investigation in episode 6x05 "Nightwalkers".
The team goes for drinks at a local bar and almost get into a bar brawl in episode 6x05 "Nightwalkers".
Sam meets with Agent Barrett in a D.C. park and learns about N.I.D. operations in episode 6x14 "Smoke & Mirrors".
Kinsey is being treated for his gunshot wound when Agent Devlin attempts to assassinate him using the guise of Major Davis in episode 6x14 "Smoke & Mirrors".
Teal'c is treated for his injuries during his firefighter vision in episode 6x19 "The Changeling".
Young Jack attempts to purchase some alcohol but isn't allowed due to his apparent age in episode 7x03 "Fragile Balance".
Daniel meets with Sheila, wife of the missing Alex Jameson in episode 9x07 "Ex Deus Machina".
Teal'c and Eamon sneak into the Tech Con building disguised by employees and break into the computers in episode 7x08 "Space Race".
Exterior of the building where Charlotte Mayfield's office is located in episode 10x08 "Memento Mori".
From episode 9x12 "Collateral Damage".
Vala ducks into a warehouse to avoid the police and eventually regains her memory after SG-1 has a firefight with Trust agents in episode 10x08 "Memento Mori".
Kinsey meets with a trust member and is taken away in their car in episode 8x14 "Full Alert".
Daniel is being driven to meet with General Kiselev by Captain Voronkova when they are stopped and the Russian military takes him into custody in episode 8x14 "Full Alert".
The chase ends with Mitchell being shot and Vala steels someone's car in episode 10x08 "Memento Mori".
Daniel and Vala are out at a restaurant when Vala is kidnapped by a member of the Trust in episode 10x08 "Memento Mori".
Charlotte Mayfield learns where the amnesiac Vala is in episode 10x08 "Memento Mori".
Carter attends a celebration after saving the planet from the Ori in an alternate universe in episode 10x13 "The Road Not Taken".
Sam visits Mitchell at his apartment and finds him confined to a wheelchair in episode 10x13 "The Road Not Taken".
Daniel is researching when he is attacked by a bounty hunter in episode 10x15 "Bounty".