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Stargate SG-1 general information 

Stargate SG-1 is a television series that debuted on Showtime on July 27, 1997, and moved to the Sci-Fi Channel after its fifth season. Created by Jonathan Glassner and Brad Wright, it starred Richard Dean Anderson (as the respelled O'Neill), Michael Shanks (as Jackson), Amanda Tapping, Christopher Judge and Don S. Davis.

The cast has remained fairly regular for most of SG-1's run but has experienced some changes. Michael Shanks left the show at the end of Season 5 and was replaced by Corin Nemec as Jonas Quinn. Shanks returned at the beginning of Season 7 and Nemec was written out. At the end of Season 7 Davis left the show and Anderson filled the gap he left in the story. Season 9 saw an unpopular departure of Anderson, but added new regulars Beau Bridges and Ben Browder. After a debut episode in Season 8, followed by appearances in eight episodes of Season 9, Claudia Black's popular reaction earned her a position in the regular cast in Season 10.

MGM put an average of $1,400,000 into each episode of the show, and regard it as one of their most important franchises. It has won the Saturn Award for Best Syndicated Television Series on numerous occasions, as well as its cast having won similar awards for their acting. More recently it has received acclaim for its visual effects which have increased in quality and realism as the show gained a larger budget.

The series begins one year after the original film in their internal chronology. It chronicles the activities of SG-1, the first exploratory team of the newly-formed Stargate Command, after an enemy attack through the Stargate allows the United States Air Force to discover that Ra was not the last of his species, as they thought in the film. The series expands on the film, creating a full and rich mythology and a strong cast of recurring characters.

Stargate SG-1 proved to be very popular. Between Seasons 6 and 8, the show was repeatedly expected to end, but ratings continued to be high, allowing the show to break records and enter its current tenth season (surpassing The X-Files as the longest running United States science-fiction series).

On the August 21, 2006, the Sci Fi Channel announced that they would not be renewing Stargate SG-1 for an eleventh season after a series of poor performances in the Nielsen Ratings. Many fans were enraged at the news, even initiating reactionary websites to exhibit their commitment to the series. Spokespersons for the production have said all options for the continuation of SG-1 Executive producer Robert C. Cooper told the fansite GateWorldSG-1. As of the present time, no network or company has ordered new episodes of SG-1, so the show is on hold until a new buyer can be found. However, SciFi has attempted to block other networks from taking up the show, citing their original exclusive contract with MGM. In response to Sci-Fi's announcement to cancel Stargate, a community site has been set up in an effort to convince Sci-Fi to renew the show. Despite such efforts, MGM has decided not to pursue an eleventh season and instead focusing their efforts on new SG-1 DVD movie productions are being considered, including complete digital broadcasting. exclusively that he was working to continue.

MGM has since announced the release of two direct-to-DVD SG-1 films for release in Autumn 2007. Stargate: The Ark of Truth will wrap up the Ori storyline, and Stargate Continuum will involve time travel. This is intended to be the beginning of a series of SG-1 DVD movies, released at a rate of one per year or so.

Regular Stargate SG-1 characters

Stargate SG-1 Episode Guide 

Season 1

Pic	Title	Original airdate	#
	Children of the Gods (Part 1)	July 27, 1997	101A
	The Stargate Program is revived when Apophis, an alien of the same race as Ra, comes to Earth through the gate seeking hosts. Jack O'Neill and new recruit Samantha Carter are sent to Abydos to locate Daniel Jackson.
	Children of the Gods (Part 2)	July 27, 1997	101B
	O'Neill and Jackson befriend Apophis' first prime Teal'c, a Jaffa (one who is host to a larval Goa'uld), and Teal'c joins their side. He helps SG-1 return to Earth, though they cannot save Daniel's wife Sha'reSkaara, who have been taken as hosts. and his friend
	The Enemy Within	August 1, 1997	102
	After being infested by a Goa'uld parasite in the previous episode, Major Kawalsky shows signs of possession. The symbiote is removed, but Kawalsky remains possessed and is killed by Teal'c.
	Emancipation	August 8, 1997	103
	SG-1 visits a planet where women are severely repressed, and Carter ends up being 'sold'. However, when Carter beats a chieftain in hand-to-hand combat, the team changes the tribe's opinions about the rights of women.
	The Broca Divide	August 15, 1997	104
	The team finds a planet divided into 'Light' and 'Dark' sides, where the dark side is infected with a deadly plague that turns people into savages; and the SGC is locked down when SG-1 brings it home. Dr. Fraiser manages to synthesise a cure for both peoples.
	The First Commandment	August 22, 1997	105
	As SG-9 is off-world, and long overdue, SG-1 is sent after them to find out what has happened to them. They soon discover that the commander of SG-9 has set himself up as a God on the planet.
	Cold Lazarus	August 29, 1997	106
	By the work of a strange blue crystal, a duplicate of Jack O'Neill returns to the SGC in his place. When the real Jack returns, they locate the alien, who, they discover, was only trying to heal Jack's pain over the loss of his son.
	The Nox	September 12, 1997	107
	When SG-1 meet a Jaffa patrol on an alien world, they and a Jaffa soldier are killed. Once revived by the Nox, SG-1 tries to persuade them to aide them. But the Nox are pacifists and send SG-1 and the Jaffa home in safety.
	Brief Candle	September 19, 1997	108
	On the planet Argos, the inhabitants live only 100 days by the work of a long-gone experimenting Goa'uld; Jack is infected with the responsible nanites, but they are all deactivated by Sam.
	Thor's Hammer	September 26, 1997	109
	SG-1 goes to the planet Cimmeria in search of allies against the Goa'uld. Upon arrival, Jack and Teal'c are trapped in a labyrinth, where the only exit is through the legendary Thor's Hammer, a device to destroy Goa'uld symbiotes but preserve the host. Daniel Jackson must destroy the device that could someday have saved his wife in order to free his friends.
	The Torment of Tantalus	October 3, 1997	110
	SG-1 recovers Dr. Ernest Littlefield, who went through the Stargate in 1945 and never returned. DanielFour Great Races. nearly stays behind to study a 'book' detailing the meaning of human existence, left behind by the
	Bloodlines	October 10, 1997	111
	Teal'c's son Rya'c is to be implanted with his first Goa'uld larva on Chulak, so SG-1 goes to prevent it. However, Rya'c falls ill and can only be saved by a symbiote; Teal'c donates his own, and receives a stolen one for himself.
	Fire and Water	October 17, 1997	112
	SG-1 has been given a false memory of Daniel's death by his alien abductor, who wishes Daniel to give him certain knowledge. Ultimately, Daniel remembers the obscure fact, and is allowed to go home.
	Hathor	October 24, 1997	113
	The Goa'uld Hathor (one of the mothers of all Goa'uld), brainwashes the men of the SGC with pheromones, and nearly makes Jack a host to a larva conceived with Daniel. She flees after the unaffected women of Stargate Command retake the facility.
	Singularity	October 31, 1997	114
	SG-1 rescues a small girl who turns out to have had an inoperable Naquadah bomb put in her by NirrtiSGC. Ultimately the girl is given to the care of Janet Fraiser, the SGC medic, after they discover that the bomb will dissolve if she is kept away from the Stargate. to destroy the
	Cor-ai	January 23, 1998	115
	A once-enslaved planet condemns Teal'c for the atrocities he once committed under Apophis. He is sentenced to death. However, when the Goa'uld attack, Teal'c saves his accuser's life and proves he is a changed man.
	Enigma	January 30, 1998	116
	SG-1 rescues a group of highly advanced Tollan. The military and the NID take an interest in their technology, and attempt to imprison them for research purposes before Daniel helps them take refuge with the Nox.
	Solitudes	February 6, 1998	117
	Sam and Jack are stranded on an icy planet when the Stargate malfunctions on their return journey to Earth. However, it turns out that they have merely been redirected to a second Stargate in Antarctica.
	Tin Man	February 13, 1998	118
	Without their knowledge, robotic duplicates of SG-1 are made, and are mismatched for the originals. When this is discovered, the androids must accept that they will stay offworld, and the real SG-1 returns home.
	There But For the Grace of God	February 20, 1998	119
	Daniel accidentally finds himself in an alternate universe after encountering a strange alien mirror, and, before he returns, learns that Apophis will attack Earth in ships from a certain Stargate address.
	Politics (Part 1)	February 27, 1998	120
	Senator Robert Kinsey shuts down the Stargate program (as the gate represents a global risk), despite Daniel's warnings that Apophis will attack Earth, and that the Stargate may be Earth's only defense.
	Within the Serpent's Grasp (Part 2)	March 6, 1998	121
	SG-1 uses the Stargate to go to the address Daniel discovered, which turns out to be Apophis' ship, where they find that Skaara has been made host to Apophis' son Klorel. The ship reaches Earth, and the fate of the world hangs in the balance.

Season 2

Pic	Title	Original airdate	#
	The Serpent's Lair (Part 3)	June 26, 1998	201
	Teal'c's former mentor Bra'tac joins their fight and together they embark on a mission of planting bombs to destroy Apophis' ship and halt the attack on Earth. Eventually they destroy the two ships and escape in Death Gliders.
	In the Line of Duty	July 3, 1998	202
	Carter is possessed by a Goa'uld who is discovered. The Goa'uld claims to be a Tok'ra, a legendary faction opposed to the other Goa'uld system lords. The Tok'ra Jolinar is assassinated but in dying saves the life of Samantha Carter.
	Prisoners	July 10, 1998	203
	After being sentenced to life imprisonment on another planet, SG-1 escapes with the help of a female inmate named Linnea. After they set her free, they discover she is a mass-murderer known as 'the Destroyer of Worlds'.
	The Gamekeeper	July 17, 1998	204
	SG-1 discover a world where all the people are enclosed in a virtual reality, believing that their planet is dead. SG-1 become trapped in the virtual reality, but inform the residents that their planet is beautiful again, and they all go free.
	Need	July 24, 1998	205
	Offworld, Daniel stops a woman from killing herself; she falls in love with him and uses the narcotic properties of the Sarcophagus to keep him with her, but once home he is rehabilitated and eventually let back into SG-1
	Thor's Chariot	July 31, 1998	206
	SG-1 return to Cimmeria to help defend the planet when the Goa'uld invade. They contact Thor who shows himself as an Asgard. He is annoyed with SG-1's interference but comes via ship and eliminates the invasion nevertheless.
	Message In a Bottle	August 7, 1998	207
	SG-1 bring back a mysterious sphere which suddenly sprouts rods that impale O'Neill. After attempts to remove it, SG-1 discover it contains the last of an alien race, who are pacified by relocation to a more suitable home than Earth.
	Family	August 14, 1998	208
	Bra'tac brings word that Apophis has kidnapped Teal'c's son Rya'c. Returning to Chulak with SG-1, Teal'c finds that his son is brainwashed loyal to Apophis. They resort at last to a zat-blast on him to overcome the brainwashing chemical.
	Secrets	August 21, 1998	209
	Having to fulfil a promise to Sha're's father Kasuf, Daniel and Teal'c return to Abydos. Upon their arrival, Daniel learns that his wife, after having been captured by the Goa'uld, is now pregnant by Apophis.
	Bane	September 25, 1998	210
	Teal'c is stung by a strange insect while exploring BP6-3Q1. Upon returning to earth, the virus beings changing Teal'c's DNA into its own. He escapes the SGC and develops a friendship with a small scruffy girl, and is ultimately cured.
	The Tok'ra (Part 1)	October 2, 1998	211
	Jolinar ("In the Line of Duty") has left a mental imprint on Carter, who dreams of the Stargate address of the hidden Tok'ra base. While SG-1 find and liaise with the Tok'ra, Carter's father Jacob is dying of cancer.
	The Tok'ra (Part 2)	October 9, 1998	212
	SG-1 offers an alliance with the Tok'ra, but it is turned down because Earth doesn't have enough to offer. Meanwhile, Selmak is a Tok'ra whose host is dying and the alliance deal is re-kindled when Jacob offers himself as a new host.
	Spirits	October 23, 1998	213
	SG-1 discovers a civilization that follows a Native American religion, and after learning of the SGC's plot to mine trinium, the religion's 'spirits' invade the base. They are revealed as aliens only posing as spirits.
	Touchstone	October 30, 1998	214
	A planet called Madrona accuses SG-1 of stealing 'the Touchstone'; they claim that men dressed in SGC uniforms took it. SG-1 suspect that maybe the thiefs are using the second gate found in Antarctica.
	The Fifth Race	January 22, 1999	215
	Jack is grabbed by a Repository of the Ancients, and has alien knowledge downloaded into his mind. Before Jack's mind is overrun, he discovers a gate address to the Asgard homeworld, who remove the information from his brain, saving his life.
	A Matter of Time	January 29, 1999	216
	SG-10 stranded on a planet which is close to a newly formed black hole. The SGC opens the gate to find out what happened, but they can't shut it down afterwards. Soon they realise that since the planet is near to a black hole, it's causing intense gravity groving and time dilation, so if they don't shut down the gate very soon, it will destroy the SGC, and in time the entire Earth.
	Holiday	February 5, 1999	217
	SG-1 meets an elderly man called Ma'chello who was hunted by the Goa'uld as he invented many Goa'uld-destroying weapons. Daniel and Ma'chello both grasp a device and switch bodies; eventually Ma'chello agrees to switch back, and dies.
	Serpent's Song	February 12, 1999	218
	Apophis is found, dying, and is brought to the SGC. Sokar tries to attack Earth as he wants him, but is stopped when they hand over the dead Apophis. However, Sokar will use a sarcophagus to revive him and torture him indefinitely.
	One False Step	February 19, 1999	219
	After a UAV crashes into a large white plant offworld, SG-1 encounters strange inhabitants who appear to be dying en mass. SG-1 discover that the aliens depend on the large plants for survival, and rectify the situation.
	Show and Tell	February 26, 1999	220
	A young boy warns SGC of a plot by invisible aliens (rogue Re'tu) to destroy all humans. They decide his warning is real, and call the Tok'ra for help, who provide TER's that locate the Re'tus already hiding on the base, and eliminate them.
	1969	March 5, 1999	221
	A solar flare sends SG-1 back in time. They meet a young General Hammond, who helps them due to a note ("Help them", plus dates of solar flares). They find the Stargate of 1969 and activate it during another solar flare, returning home.
	Out of Mind (Part 1)	March 12, 1999	222
	O'Neill, Carter and Daniel awaken from stasis in what appears to be the SGC, 80 years in the future. They discover it is actually a Goa'uld hoax by Hathor. Meanwhile, Teal'c leaves the SGC to find SG-1.

Season 3

Pic	Title	Original airdate	#
	Into the Fire (Part 2)	June 25, 1999	301
	The SGC send a rescue mission to Hathor's base to retrieve SG-1, and Jack kills Hathor. By using Tok'ra tunnels already present on the planet, SG-1 escape and return home.
	Seth	July 2, 1999	302
	A Goa'uld named Seth has lived on Earth for thousands of years and now is the leader of a dangerous cult. SG-1 use zats to overcome the cult member's brainwashing, and in the ensuing rescue, Seth is killed by Carter.
	Fair Game	July 9, 1999	303
	The Asgard warn the SGC that the Goa'uld plan an attack on Earth. So SG-1 with the help of the Asgard negotiate with three Goa'uld System Lords to bring Earth into the Protected Planets Treaty. Also Captain Carter is promoted to the rank of Major.
	Legacy	July 16, 1999	304
	SG-1 find the skeletons of several humans and symbiotes, on their return Jackson show 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.
	Learning Curve	July 23, 1999	305
	SG-1 visit 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'.
	Point of View	July 30, 1999	306
	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 save the alternate reality by contacting the Asgard there.
	Deadman Switch	August 6, 1999	307
	SG-1 is captured by a bounty hunter who uses them to help catch a Tok'ra. The Goa'uld have 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.
	Demons	August 13, 1999	308
	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.
	Rules of Engagement	August 20, 1999	309
	SG-1 discovers a planet where Apophis was training human slaves to infiltrate the SGC. SG-1 show them footage of Apophis dying, and they all renounce him as a false god.
	Forever in a Day	October 8, 1999	310
	After being found Daniel's wife 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.
	Past and Present	October 15, 1999	311
	Ke'ra, an offworlder (actually Linnea from "Prisoners") 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.
	Jolinar's Memories (Part 1)	October 22, 1999	312
	Jacob/Selmak have been captured by Sokar. Jolinar was the only person ever to escape from Sokar's home moon and Sam has residual memories of the method. SG-1 are captured, and discover that Apophis controls the moon.
	The Devil You Know (Part 2)	October 29, 1999	313
	SG-1 manage 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.
	Foothold	November 5, 1999	314
	Stargate Command is under alien control, and they can look and act just like us. Major Carter must ask an old adversary to help her retake the base.
	Pretense	January 21, 2000	315
	Skaara/Klorel crash lands on Tollana and the Tollan invite SG-1 to represent Skaara in a trial to decide which has most right to use the body, ultimately the body is Skaara's. Lya of the Nox and SG-1 prevent a Goa'uld attack on Tollana.
	Urgo	January 28, 2000	316
	The members of SG-1 are implanted with an AI named Urgo. They manage to rectify the problem by visiting Urgo's creator, who implants Urgo in himself instead to improve his personality.
	A Hundred Days	February 4, 2000	317
	A friendly planet will be destroyed by meteorite bombardment. SGC move most of the population to another planet but O'Neill is trapped. SG-1 use a particle beam to breach the iris that formed over the offworld gate, and retrieve O'Neill.
	Shades of Grey	February 11, 2000	318
	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.
	New Ground	February 18, 2000	319
	SG-1 visit 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 escape.
	Maternal Instinct	February 25, 2000	320
	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.
	Crystal Skull	March 3, 2000	321
	SG-1 find 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.
	Nemesis (Part 1)	March 10, 2000	322
	Thor's starship, which has been infected by Replicators. In order to keep it from landing on earth SG-1 disable the deceleration engines so the ship burns up in the atmosphere and crashes in the Pacific - but one replicator remains.

Season 4

Pic	Title	Original airdate	#
	Small Victories (Part 2)	June 30, 2000	401
	The replicator on Earth has taken over a submarine, O'Neill and Teal'c neutralise the threat. CarterThor to defend the Asgard homeworld from the Replicators. They use the Asgard's newest ship (named, The O'Neill) to lure them into hyperspace, where the ship is blown up. goes with
	The Other Side	July 7, 2000	402
	Humans on another planet contact the SGC for help; they are fighting a war and have run out of food and fuel supplies. SG-1 travels to the planet Euronda where they make an alliance to trade heavy water for advanced technology to combat the Goa'uld. Daniel feels that the people aren't telling them everything but Jack doesn't want to jeopardize their alliance.
	Upgrades	July 14, 2000	403
	O'Neill, Carter, and Jackson are given alien arm devices which greatly increase their strength and speed but, as it turns out, utilizes a virus, which eventually is neutralized by the immune system, causing SG-1 to lose all the additional strength they gain. Unfortunately, they don't realize this until they are already in the middle of a Goa'uld site. One of the few episodes in which O'Neill showed his emotional attachment to Carter.
	Crossroads	July 21, 2000	404
	SGC is visited by Shaun'ac, a female Jaffa who has discovered how to communicate with her larval Goa'uld symbiote.
	Divide and Conquer	July 28, 2000	405
	The Goa'uld have a new weapon - subconsciously programmed automatons, the Tok'ra have a test but when it is applied to the staff of the SGC, Carter and O'Neill are found to be affected.
	Window of Opportunity	August 4, 2000	406
	After an encounter with an Ancient time device, Colonel O'Neill and Teal'c get trapped in a time loop that only they know about.
	Watergate	August 11, 2000	407
	The Russians have been using the second Stargate in secret, but, after dialing a world completely submerged underwater, they lose contact with their Stargate facility and approach SGC for help.
	The First Ones	August 18, 2000	408
	While helping with the excavation of fossilized Goa'uld, Daniel Jackson is captured by an Unas. The rest of SG-1 then tries to find him.
	Scorched Earth	August 25, 2000	409
	After transferring the population of one alien planet to another because they were suffering from the effects of radiation, SGC discover that an alien spaceship is transforming the planet into a hostile environment.
	Beneath the Surface	September 1, 2000	410
	SG-1 have had their memories altered and been put to work in an underground industrial complex. Together, they must recover their memories in order to escape.
	Point of No Return	September 8, 2000	411
	A man by the name of Martin Lloyd claims to not only to have knowledge of the Stargate, but that he's from outer space.
	Tangent	September 15, 2000	412
	Teal'c and O'Neill test-fly the first experimental aircraft based on Earth and Goa'uld technologies, but soon someone else takes control of the X-301. Sam and Daniel enlist Jacob/Selmak's help to rescue them.
	The Curse	September 22, 2000	413
	Daniel's old professor has died. He goes to the funeral and discovers a controversy surrounding the professors' death. SG-1 discover that a Goa'uld may have escaped from an ancient canopic jar the professor's team was studying.
	The Serpent's Venom	September 29, 2000	414
	Her'ur and Apophis are meeting to agree an alliance and the Tok'ra and SGC want to sabotage the meeting. Things become more complicated when SG-1 discover Her'ur has captured Teal'c and intends to use him as a peace offering. Only a suppose friend on the inside can help Teal'c
	Chain Reaction	January 5, 2001	415
	Hammond resigns as head of the SGC but O'Neill suspects there is more to it than Hammond will admit and is determined not to let the matter rest.
	2010	January 12, 2001	416
	In an alternate timeline, Earth has defeated the Goa'uld with the help of the Aschen. However, they possess a dark secret which will destroy mankind. SG-1 must send a message back ten years to make sure it never happens.
	Absolute Power	January 19, 2001	417
	The Harcesis has come to visit SGC and somehow puts Jackson in a coma like state. Meanwhile Jackson is experiencing what it would be like to have all the knowledge of the Goa'uld.
	The Light	January 26, 2001	418
	SGC have discovered a world abandoned by the Goa'uld where there is a room with a beautiful light display. Later they find that the light may have an insidious effect.
	Prodigy	February 2, 2001	419
	Carter discovers a brilliant USAF cadet while giving a lecture at an academy but the cadet seems to have a problem with authority. Carter decides to show her there are possibilities she isn't aware of. A planet of energy formed creatures take offense to the Tau'ri and Carter and the cadet must work on a solution to get everyone home.
	Entity	February 9, 2001	420
	SGC send a probe through the stargate to a new planet a seem to have found a world inhabited by electronic lifeforms. The base computer system is compromised by what is apparently a very advanced computer virus.
	Double Jeopardy	February 16, 2001	421
	SG-1 works with their robot duplicates to free a world from the rule of Cronus.
	Exodus (Part 1)	February 23, 2001	422
	Apophis is on his way to the planet the Tok'ra are using as a base, but Carter and Jacob/Selmak attempt to wipe out Apophis' fleet by sending a Stargate linked to a black hole into the local sun.

Season 5

Pic	Title	Original airdate	#
	Enemies (Part 2)	June 29, 2001	501
	After having been sent to a distant galaxy, the team is captured by Apophis, who has brainwashed Teal'c. Replicators overrun Apophis' ship and SG-1 escape before he dies as the ship crashes into Delmak.
	Threshold (Part 3)	July 6, 2001	502
	To end Teal'c's newly formed loyalty to Apophis, Bra'tac uses an old Jaffa ritual that will either bring Teal'c back, or kill him. Now Teal'c must relive his memories of being in the service of Apophis and realise that he is a false god.
	Ascension	July 13, 2001	503
	After returning from a planet full of ruins, Carter is visited by a mysterious young man who can walk through solid objects. But everyone believes that she is seeing things.
	The Fifth Man	July 20, 2001	504
	Colonel O'Neill remains on an alien world to protect Lieutenant Tyler, a fifth member of SG-1 that only SG-1 members can recall
	Red Sky	July 27, 2001	505
	After Carter overrides some of the security dialing protocols on the Stargate, SG-1 discovers that the sun of the planet they have visited has been shifted to the infra red end of the spectrum (which will doom all life on the planet), and they are responsible. The planet's inhabitants are worshipers of the Asgard, but they refuse to help.
	Rite of Passage	August 3, 2001	506
	Dr. Frasier's adopted daughter, Cassandra, develops telekinetic abilities, but the strain of producing so much energy is causing multiple organ failure. SG-1 must make a deal with a forgotten enemy in order to save her but at a terrible price.
	Beast of Burden	August 10, 2001	507
	Chaka, the Unas which Dr. Jackson befriended, has been kidnapped and taken to a planet where humans use them for slave labour. Jackson wants to rescue Chaka but O'Neill is reluctant to interfere.
	The Tomb	August 17, 2001	508
	SG-1 gets trapped in an ancient ziggurat with a Russian team and an alien creature possessed by a Goa'uld.
	Between Two Fires	August 24, 2001	509
	The Tollan, in a highly unusual change of policy, agree to share advanced technology with Earth. But SG-1 soon learns that there's something else going on.
	2001	August 31, 2001	510
	SG-1 discover an agricultural planet inhabited by the Volians who introduce them to their more technologically advanced neighbours - the Aschen. The Aschen offer an alliance with Earth, but can they be trusted.
	Desperate Measures	September 7, 2001	511
	Samantha Carter is kidnapped by a dying millionaire, forcing Jack O'Neill to team up with Harry Maybourne in order to find her.
	Wormhole X-Treme!	September 8, 2001	512
	When the SGC finds out that a television show is virtually identical to their operations SG-1Point of No Return, is giving the producers all their ideas. investigate. They find that an alien named Martin Lloyd, first seen in
	Proving Ground	March 8, 2002	513
	SG-1 is running training simulations for a group of new recruits. But then things begin to get more serious when aliens invade.
	48 Hours	March 15, 2002	514
	While escaping through the Stargate to the SGC, Teal'c fails to make it through the Stargate before it deactivates. If the wormhole is re-opened again his pattern will be lost forever. Daniel must make a deal with the Russians for help.
	Summit (Part 1)	March 22, 2002	515
	There is a truce among the Goa'uld and the System Lords meet on a heavily guarded space station. The Tok'ra plan to kill them all but require a human who can speak fluent Goa'uld and Dr. Daniel Jackson is the only qualified candidate.
	Last Stand (Part 2)	March 29, 2002	516
	A powerful System Lord shows himself for the first time in a thousand years who offers to destroy the Tau'ri and Tok'ra. Meanwhile, SG-1 and Lt. Elliot/Lantash are trying to escape the Tok'ra base.
	Fail Safe	April 5, 2002	517
	SG-1 must stop a rogue asteroid on a collision course with Earth using their Goa'uld cargo ship.
	The Warrior	April 12, 2002	518
	The Jaffa Rebellion have a new leader who seems almost too good to be true. SG-1 is sent on a mission to negotiate an alliance. But when Teal'c is sent on a suicide mission against the Goa'uld system lord Yu, he finds that the new leader isn't what he seems.
	Menace	April 26, 2002	519
	The team finds an android that somehow managed to survive a Replicator attack. They find out she is the mother of all Replicators, but has the mentality of a young child.
	The Sentinel	May 3, 2002	520
	SG-1 must enlist the help of two of Harry Maybourne's rogue team, from the episode "Shades of Grey," in order to fix a helpless planet's protective device from the Goa'uld.
	Meridian	May 10, 2002	521
	Daniel Jackson is exposed to fatal radiation poisoning while trying to prevent the development of nuclear weapons on a planet; the government responsible for the weapons development accuse him of attempting to sabotage the device.
	Revelations	May 17, 2002	522
	An Asgard scientist is stranded on a planet under attack by the Goa'uld. As the Asgard have no spare ships at the moment they had no choice but to ask the SGC to help using their salvaged Goa'uld cargo ship.

Season 6

Pic	Title	Original airdate	#
	Redemption (Part 1)	June 7, 2002	601
	Anubis has found an ancient weapon capable of destroying the Stargate and Earth along with it by slowly building up an overcharge of energy in its superconducting ring.
	Redemption (Part 2)	June 14, 2002	602
	Jonas comes up with a plan to prevent the Stargate from destroying the Earth. Meanwhile, Teal'c is preparing to attack the planet on which Anubis's weapon is based.
	Descent	June 21, 2002	603
	SG-1 attempts to salvage a Goa'uld mothership which has been mysteriously abandoned in space near Earth. Unfortunately, the ship crashes in the ocean, and SG-1 later discover that Thor's consciousness is still in the central computer.
	Frozen	June 28, 2002	604
	The Antarctic team investigating the site where the second Stargate was found discovers a frozen Ancient, and subsequently, the team starts to suffer the effects of a deadly virus.
	Nightwalkers	July 12, 2002	605
	Bizarre activity in small-town America prove to be the result of Goa'uld activity.
	Abyss	July 19, 2002	606
	O'Neill has been captured by Ba'al but is being held in a fortress too well protected for SGC to help. However, Jonas believes that Lord Yu might be persuaded to lend assistance.
	Shadow Play	July 26, 2002	607
	The Kelownan government contacts the SGC offering to exchange Naquadria for advanced technology. Jonas' old professor asks him to help a secret resistance group and prevent a world war.
	The Other Guys	August 2, 2002	608
	Dr. Felger worships SG-1, and when he has the chance to rescue them from a Goa'uld mothership, he doesn't hesitate.
	Allegiance	August 9, 2002	609
	The Jaffa rebellion, the Tok'ra and the SGC are temporarily forced to share the Alpha Site when the Tok'ra are attacked. Unfortunately, suspicion between the Tok'ra and the Jaffa turns hostile when a series of bodies are discovered.
	Cure	August 16, 2002	610
	SG-1 is negotiating with a friendly world that is offering a wonder drug called Tretonin in exchange for gate addresses, but SG-1 cannot understand why they want the addresses to Goa'uld homeworlds despite SG-1's warnings.
	Prometheus (Part 1)	August 23, 2002	611
	A reporter has information about the Stargate Program and threatens to broadcast it on television. The SGC offers a deal to allow her access to the Prometheus on the condition that nothing is aired until the Stargate Program is made public.
	Unnatural Selection (Part 2)	January 10, 2003	612
	The Asgard have called all the Replicators in the galaxy to one planet, but unfortunately, the time dilation device which was meant to trap them on the planet has failed to activate and the Asgard want SG-1 to find out why.
	Sight Unseen	January 17, 2003	613
	On a deserted planet, SG-1 discovers a piece of Ancient technology, but, when it is moved to Earth for study, people begin to have inexplicable hallucinations.
	Smoke & Mirrors	January 24, 2003	614
	Senator Kinsey is shot, and all the evidence seems to show that O'Neill was the assassin.
	Paradise Lost	January 31, 2003	615
	Maybourne offers to help the SGC find a cache of advanced alien weapons, but he is not telling them everything he knows.
	Metamorphosis	February 7, 2003	616
	The Russian team discovers a planet on which Nirtti has been experimenting on the human population to create the perfect host.
	Disclosure