STARGATE SG-1 STORY ARC MAP

SEASON ONE

Goa'uld

Tok'ra

Asgard

Replicators

Rebel Jaffa

NID

Ancients

Ori

Other

CHILDREN OF
THE GODS

Apophis captures Skaara and Sha’re and makes them Goa’uld hosts.

THE ENEMY WITHIN

Kawalsky is infested by a Goa’uld and dies after surgery to remove the parasite.

THE BROCA DIVIDE

Colonel Makepeace and the SG-3 Marines join SG-1 on a mission to the Land of Light.

THE NOX

Apophis kills SG-1, but they are revived again by the Nox Ritual of Life.

THE NOX

SG-1 encounters the Nox, who bury their stargate, preventing return.

BRIEF CANDLE

The Goa'uld Pelops had created a nano-virus, causing the people of Argos to live a shortened lifetime in a hundred days.

THOR’S HAMMER

An Unas, the original host of the Goa’uld, is killed in the labyrinth on Cimmeria by Thor’s Hammer.

THOR’S HAMMER

The Asgard Thor protects Cimmeria with a “Hammer” that is later destroyed by SG-1 to free Teal’c.

THOR’S HAMMER

On Cimmeria, SG-1 encounters an Unas, the original host of the Goa’uld, believed to be a myth.

TORMENT OF TANTALUS

One of the four languages on Ernest’s planet belongs to Thor’s race.

TORMENT OF TANTALUS

SG-1 and Catherine discover Ernest and a repository of knowledge left by four great races.

BLOODLINES

SG-1 meets Bra’tac, who believes the Goa’uld are false gods, and who helps reunite Teal’c with his son Rya’c.

HATHOR

Hathor is awakened from stasis, mates with Daniel, and escapes through the stargate to Chulak.

SINGULARITY

Nirrti is the Goa’uld responsible for the destruction of the planet Hanka.

SINGULARITY

Cassandra, the only survivor of her planet, is rescued by SG-1 and taken back to Earth.

COR-AI

The forces of Apophis attack the planet Cartago as Teal’c is tried by the inhabitants for murder.

ENIGMA

Colonel Maybourne tries to detain the Tollan refugees for study and for technology.

ENIGMA

Tollan refugees are rescued from their doomed planet, and are welcomed by the Nox.

SOLITUDES

The discovery of a second stargate on Earth suggests that the builders of the stargates predate the Goa’uld.

SOLITUDES

A second stargate is discovered on Earth in Antarctica, and is secured by the SGC.

THERE BUT FOR THE GRACE OF GOD

In an alternate reality, Catherine and the SGC fight against a Goa’uld invasion of Earth.

THERE BUT FOR THE GRACE OF GOD

Daniel discovers a quantum mirror and enters Earth in an alternate reality.

POLITICS

Senator Kinsey tries to cut off funding and shut down the Stargate Program.

WITHIN THE SERPENT’S GRASP

Apophis and Klorel launch an attack against Earth from ships in orbit.

SEASON TWO

Goa'uld

Tok'ra

Asgard

Replicators

Rebel Jaffa

NID

Ancients

Ori

Other

THE SERPENT'S
LAIR

Apophis and Klorel are presumed killed when their motherships are destroyed.

THE SERPENT'S
LAIR

Bra'tac helps SG-1 to defeat Apophis and Klorel and to stop the invasion of Earth.

IN THE LINE
OF DUTY

The Goa'uld send an Ashrak to kill the Tok'ra Jolinar.

IN THE LINE
OF DUTY

Carter is taken as a host by Jolinar, a Tok'ra who is later killed by the Ashrak.

IN THE LINE
OF DUTY

Cassandra, now living with Dr. Fraiser, recognizes that Carter has become a host.

THOR'S CHARIOT

Heru'ur, enemy of Apophis, attacks Cimmeria and escapes from the Asgard.

THOR'S CHARIOT

Carter retains traces of Jolinar's memories and abilities.

THOR'S CHARIOT

Thor reveals himself in his true form to SG-1, and saves Cimmeria from an attack by Heru'ur.

FAMILY

Apophis kidnaps Rya'c and brainwashes him in an attempt to destroy Earth.

FAMILY

Bra'tac helps Teal'c to rescue his family from Apophis and to escape with them from Chulak.

SECRETS

Apophis fathers a human child and Heru'ur tries to capture the child from Abydos.

SECRETS

Carter's father, General Jacob Carter, is dying of cancer.

SECRETS

A reporter with knowledge of the Stargate Program is killed in a suspicious hit-and-run accident.

SECRETS

The human child of Apophis and Sha're is born on Abydos and left in hiding there.

BANE

Colonel Maybourne tries to obtain custody of an injured Teal'c for study at Area 51.

THE TOK'RA

SG-1 meets the Tok'ra, and Jacob Carter agrees to become a host for the Tok'ra Selmak.

THE TOK'RA

Colonel Makepeace and SG-3 join SG-1 on the mission to encounter the Tok'ra.

TOUCHSTONE

Colonel Maybourne is behind the covert rogue NID missions being run from the second stargate on Earth.

TOUCHSTONE

Earth's second stargate is sealed after covert off-world missions out of Area 51 are discovered.

THE FIFTH RACE

O'Neill travels to the Asgard homeworld for help after acquiring the knowledge of the Ancients.

THE FIFTH RACE

O'Neill temporarily acquires the knowledge of the Ancients, the original builders of the stargates.

THE FIFTH RACE

The alliance of four great races included the Ancients, the Asgard, the Nox, and the Furlings.

SERPENT'S SONG

Apophis escapes from Sokar, dies at the SGC, and is returned to Sokar, who attacks Earth through the gate.

SERPENT'S SONG

Martouf and the Tok'ra cooperate with the SGC during the capture of Apophis and attack from Sokar.

SHOW AND TELL

Jacob cooperates with the SGC during the battle with the Reetou, and Charlie returns with him to the Tok'ra.

1969

Catherine of the past and Cassandra of the future help SG-1 to return home after traveling in time.

OUT OF MIND

Hathor establishes an outpost, raises an army, and captures SG-1 as possible hosts.

SEASON THREE

Goa'uld

Tok'ra

Asgard

Replicators

Rebel Jaffa

NID

Ancients

Ori

Other

INTO THE FIRE

Hathor is killed by O'Neill and her army is defeated.

INTO THE FIRE

A Tok'ra operative saves O'Neill from becoming a host by preventing the blending of the symbiote.

INTO THE FIRE

Bra'tac joins Teal'c and helps to rescue SG-1 and defeat Hathor.

INTO THE FIRE

Colonel Makepeace leads the joint SGC forces to rescue SG-1 and defeat Hathor.

SETH

Seth is discovered leading a cult on Earth, and is killed by SG-1.

SETH

Jacob cooperates with SG-1 in finding and defeating Seth on Earth.

FAIR GAME

Cronus, Nirrti, and Yu negotiate with the Asgard to include Earth in the Protected Planets Treaty.

FAIR GAME

Thor facilitates negotiations for the Protected Planets Treaty between Earth and the System Lords.

FAIR GAME

Thor warns about an enemy in his home galaxy far worse than the Goa'uld.

LEGACY

Machello's Goa'uld killing devices kill the Linvris and infect SG-1.

POINT OF VIEW

In an alternate reality, Apophis attacks Earth but is defeated by the Asgard.

POINT OF VIEW

In an alternate reality, SG-1 contacts the Asgard to save Earth from destruction by Apophis.

POINT OF VIEW

Carter and Kawalsky arrive through the quantum mirror from an alternate reality.

DEADMAN
SWITCH

Sokar's bounty hunter captures SG-1 and a Tok'ra operative but sets them free.

DEADMAN
SWITCH

SG-1 helps to rescue Korra, a Tok'ra operative being hunted by Sokar.

DEMONS

SG-1 frees a planet paying tribute to Sokar in the form of human sacrifice.

DEMONS

SG-1 kills an Unas that had been collecting human sacrifices as an agent of Sokar.

RULES OF
ENGAGEMENT

SG-1 encounters young soldiers loyal to Apophis training to prepare for an attack on Earth.

FOREVER
IN A DAY

Amaunet is killed by Teal'c to save Daniel's life.

FOREVER
IN A DAY

Sha're/Amaunet sends her child, the Harsesis, into hiding on Kheb.

JOLINAR'S
MEMORIES

Apophis reveals himself in Sokar's prison on Netu, and captures SG-1.

JOLINAR'S
MEMORIES

Martouf joins SG-1 on a mission to rescue Jacob from Sokar's prison, but they are captured.

THE DEVIL YOU
KNOW

Sokar is killed, and Apophis escapes from Netu and takes command of Sokar's army.

THE DEVIL YOU
KNOW

Aldwin cooperates in the rescue of Jacob, Martouf, and SG-1 from Sokar's prison on Netu.

FOOTHOLD

Colonel Maybourne cooperates with the SGC to prevent an alien invasion of the base.

PRETENSE

Klorel is removed from Skaara after the Tollan triad determines to free him.

PRETENSE

The Tok'ra remove Klorel from Skaara after the decision of the Tollan triad.

PRETENSE

Lya of the Nox participates in the Tollan triad to determine the fate of Skaara and Klorel.

SHADES OF GREY

The Asgard cooperate with O'Neill in an undercover investigation of the theft of alien technology.

SHADES OF GREY

Makepeace and members of Maybourne's rogue NID off-world operation are apprehended.

SHADES OF GREY

The Tollans and Nox join the Asgard in demanding that O'Neill investigate the theft of alien technology.

MATERNAL
INSTINCT

Apophis attacks Chulak and Kheb, searching for the Harsesis child.

MATERNAL
INSTINCT

Bra'tac joins SG-1 on the mission to Kheb to find the Harsesis child.

MATERNAL
INSTINCT

Oma Desala, one of the Others, takes the Harsesis child away to raise in safety.

MATERNAL
INSTINCT

The Harsesis infant is taken to be raised in safety by Oma Desala.

NEMESIS

SG-1 rescues Thor when his ship is infested by Replicators and crashes into Earth.

NEMESIS

Replicators destroy Thor's ship and survive the crash into the Pacific Ocean.

NEMESIS

The beta stargate is brought out of storage when the SGC gate is lost in the crash of Thor's ship.

SEASON FOUR

Goa'uld

Tok'ra

Asgard

Replicators

Rebel Jaffa

NID

Ancients

Ori

Other

SMALL
VICTORIES

Thor seeks SG-1's help to defeat the Replicators that threaten his home planet.

SMALL
VICTORIES

The Replicators are defeated on Earth but continue to plague the Asgard galaxy.

SMALL
VICTORIES

The Replicators destroy a Russian sub, and the beta gate is installed at the SGC.

UPGRADES

Apophis is building a new class of battleship which is destroyed by SG-1.

UPGRADES

SG-1 cooperates with Anise in testing Atanik armbands which grant superhuman powers.

CROSSROADS

Tanith takes a Tok'ra host, kills Shan'auc, and remains among the Tok'ra as a spy.

CROSSROADS

Anise cooperates in finding a host for Tanith, and he is used by the Tok'ra as a counterspy.

CROSSROADS

Bra'tac sends Shan'auc to Earth, hoping that her symbiote holds the key to defeating the Goa'uld.

DIVIDE AND
CONQUER

The Goa'uld use zatarc technology to program assassins through mind control.

DIVIDE AND
CONQUER

Anise introduces a zatarc detector, and Martouf is killed when he is found to be a zatarc.

WINDOW OF
OPPORTUNITY

A time device created by the Ancients causes a continuous time loop.

WATERGATE

Maybourne is found in Siberia where he had been helping the Russians to establish a stargate program.

WATERGATE

The Russians have recovered the alpha stargate from the Pacific Ocean and started their own stargate program.

THE FIRST ONES

SG-1 discovers P3X-888, the original homeworld of the Goa'uld.

THE FIRST ONES

Chaka, an Unas, kidnaps Daniel on P3X-888, the homeworld of the aboriginal Unas.

TANGENT

Apophis's recall device in a death glider strands O'Neill and Teal'c in space in the experimental X-301.

TANGENT

Jacob comes to the aid of SG-1 and rescues O'Neill and Teal'c from deep space.

THE CURSE

Osiris is awakened from stasis, takes a female host, and escapes from Earth in a ship.

THE SERPENT'S
VENOM

Apophis deceives Heru'ur, kills him, and absorbs his forces into his own.

THE SERPENT'S
VENOM

Jacob and SG-1 attempt to prevent an alliance between Apophis and Heru'ur.

THE SERPENT'S
VENOM

Rak'nor, once loyal to Apophis, helps Teal'c to escape from Heru'ur.

CHAIN REACTION

Maybourne comes out of jail and helps O'Neill uncover evidence against Kinsey and rogue NID operations.

CHAIN REACTION

The Russians have shut down their stargate program in exchange for information and technology.

2010

In an alternate version of the future under the Aschen, Kinsey is the president of the United States.

ABSOLUTE POWER

Aldwin uses a zatarc detector to determine if Shifu is the Harsesis child.

ABSOLUTE POWER

Shifu, the Harsesis, teaches Daniel the ways of Oma Desala through a dream.

DOUBLE
JEOPARDY

Cronus is killed and his army defeated on Juna, and SG-1 captures his mothership.

EXODUS

Tanith escapes, and Apophis's fleet is destroyed in a supernova which sends his ship to a distant galaxy.

EXODUS

Jacob helps SG-1 to create a supernova and defeat Apophis's fleet, but they are all sent to a distant galaxy.

SEASON FIVE

Goa'uld

Tok'ra

Asgard

Replicators

Rebel Jaffa

NID

Ancients

Ori

Other

ENEMIES

Apophis is killed when his ship is infested by Replicators and crashes into the planet Delmak.

ENEMIES

Jacob helps SG-1 to rescue Teal'c and to defeat Apophis and the Replicators.

ENEMIES

Replicators infest Apophis's ship, but are destroyed when SG-1 forces the ship to crash into the planet Delmak.

THRESHOLD

Teal'c has been brainwashed to believe that he is once again the First Prime of Apophis.

THRESHOLD

Bra'tac uses the Rite of M'al Sharran to restore Teal'c's memory and to guide him toward his true path.

ASCENSION

Colonel Simmons investigates the alien weapon of Velona and Orlin's presence on Earth.

ASCENSION

Orlin, one of the Others, descends, attempts to stop the weapons test, and is allowed to rejoin the Others.

THE FIFTH MAN

Colonel Simmons interrogates SG-1 about the identity of Lieutenant Tyler.

RED SKY

Freyr and the Asgard decline to help SG-1 save K'tau from a natural disaster.

RITE OF PASSAGE

Nirrti's hok'tar experiments affect Cassandra, whom she cures in exchange for her own freedom.

RITE OF PASSAGE

Cassandra begins to undergo a transformation due to Nirrti's hok'tar experiments, but she is cured.

BEAST OF BURDEN

Chaka is kidnapped as a slave, freed by SG-1, and begins a slave revolt on the planet.

THE TOMB

Marduk is killed when his zuggurat collapses during SG-1's joint mission with the Russians to P2X-338.

THE TOMB

The Russians join SG-1 during the joint mission to Marduk's ziggurat on P2X-338.

BETWEEN TWO
FIRES

Tanith allies himself with Anubis and launches an attack against Tollana.

BETWEEN TWO
FIRES

Tollana is destroyed in an attack by Tanith, working as an agent of Anubis.

2001

Senator Kinsey demands an alliance with the Aschen despite warnings from SG-1.

DESPERATE
MEASURES

Adrian Conrad becomes a host for a Goa'uld and is taken into custody by Colonel Simmons.

DESPERATE
MEASURES

Maybourne helps O'Neill rescue Carter, and Simmons takes custody of Adrian Conrad.

DESPERATE
MEASURES

The symbiote implanted in Adrian Conrad was stolen from the Russians.

WORMHOLE X-TREME!

Agent Malcolm Barrett and the NID pursue Martin Lloyd and the aliens from his homeworld.

48 HOURS

Tanith is killed by Teal'c, and the Goa'uld in Adrian Conrad provides the key to rescue Teal'c from the stargate.

48 HOURS

Maybourne helps O'Neill to find Conrad, rescue Teal'c, and gather evidence leading to Simmons's arrest.

48 HOURS

The Russians cooperate in the rescue of Teal'c from the gate matrix, but their DHD is destroyed.

SUMMIT

Osiris appears before Ba'al and Yu at the summit of System Lords, acting as an agent of Anubis.

SUMMIT

Jacob cooperates with SG-1, the Tok'ra of Revanna are killed, and Lantash takes Lt. Elliot as a host.

LAST STAND

Anubis returns to the rank of System Lord, and Zipacna is killed at the battle at Revanna.

LAST STAND

Elliot/Lantash sacrifices his life to destroy Zipacna's forces and allow Jacob and SG-1 to escape.

FAIL SAFE

Anubis tries to destroy Earth by directing a naquadah asteroid for a direct impact.

FAIL SAFE

A Tok'ra ship rescues SG-1 from space after their mission to prevent an asteroid impact.

FAIL SAFE

The Asgard decline to intercede when a naquadah asteroid threatens to obliterate Earth.

THE WARRIOR

Yu reveals K'tano's true identity as Imhotep, whom Teal'c kills, and Yu attacks the Rebel base at Cal Mah.

THE WARRIOR

Bra'tac joins K'tano's rebellion until he is exposed as a fraud and the Rebel base at Cal Mah is destroyed.

MENACE

The android Reese, the creator of the Replicators, is brought to Earth, but she must be shut down.

THE SENTINEL

Svarog attacks Latona, but he is killed and his forces are destroyed by the Sentinel.

THE SENTINEL

SG-1 tries to restore the Sentinel on Latona that was deactivated by an NID off-world operation.

MERIDIAN

Jacob comes to the SGC hoping to help heal Daniel after his exposure to lethal radiation.

MERIDIAN

Oma Desala guides Daniel as he is dying of radiation poisoning, and helps him to ascend and join the Others.

MERIDIAN

SG-1 meets Jonas on Kelowna, and Daniel, suffering from lethal radiation poisoning, ascends to a higher plane of existence.

REVELATIONS

Anubis and Osiris capture Thor and probe his mind for the knowledge of the Asgard.

REVELATIONS

SG-1 rescues Heimdall and attempts to rescue Thor, whose mind has been down-loaded by Anubis.

SEASON SIX

Goa'uld

Tok'ra

Asgard

Replicators

Rebel Jaffa

NID

Ancients

Ori

Other

REDEMPTION

Anubis uses an Ancient device to destroy the SGC stargate in an attempt to annihilate Earth.

REDEMPTION

The Rebel movement grows, and Bra'tac and Rya'c help to destroy Anubis's Ancient weapon.

REDEMPTION

The beta gate is destroyed, the alpha gate is returned by the Russians, and Jonas joins SG-1.

DESCENT

Anubis's mothership is abandoned in Earth's orbit and crashes into the Pacific Ocean.

DESCENT

Jacob joins SG-1 on the mission to recover Anubis's abandoned mothership.

DESCENT

SG-1 recovers Thor's consciousness from the memory crystals on Anubis's abandoned mothership.

FROZEN

Thoran offers the symbiote Kanan as a means of curing O'Neill of the alien virus that threatens his life.

FROZEN

Ayiana, a living Ancient, is found in Antarctica, but she dies from a mysterious alien virus.

NIGHTWALKERS

In a lab accident, cloned Goa'uld symbiotes infest the people of Steveston, but the clones are destroyed.

NIGHTWALKERS

SG-1 stops an NID operation in which cloned symbiotes have taken hosts among the people of Steveston.

ABYSS

Ba'al captures and tortures O'Neill, and his secret base is destroyed in an attack from Yu.

ABYSS

O'Neill becomes a host to the Tok'ra Kanan, who flees the body when O'Neill is captured.

ABYSS

Daniel returns in ascended form to offer help to O'Neill when he is captured and tortured by Ba'al.

THE OTHER GUYS

Herak kills Khonsu and takes command of his troops in the name of Anubis.

THE OTHER GUYS

Khonsu, a Tok'ra operative posing as a Goa'uld, captures SG-1 to share information, but is killed by Herak.

THE OTHER GUYS

Dol'ok, a free Jaffa serving Khonsu, attempts to help SG-1 pass on information, but is killed as a shol'va.

ALLEGIANCE

Anubis destroys the Tok'ra base in the Risa System and sends an Ashrak to the Alpha Site, but the Ashrak is killed.

ALLEGIANCE

Tok'ra refugees under Jacob and Malek flee to the Alpha Site and form an uneasy alliance with Rebel Jaffa.

ALLEGIANCE

Rebel Jaffa refugees under Bra'tac and Rak'nor flee to the Alpha Site and form an uneasy alliance with the Tok'ra.

CURE

Egeria, the founder of the Tok'ra movement, had been imprisoned on Pangar, but she dies shortly after her release.

PROMETHEUS

Thor requests the help of SG-1 and their new ship, the Prometheus.

PROMETHEUS

Rogue NID operatives hijack the Prometheus, and Colonel Simmons and Adrian Conrad are killed.

PROMETHEUS

The Prometheus, Earth's first interstellar ship, is hijacked just as its construction nears completion.

UNNATURAL
SELECTION

Thor seeks SG-1's help to trap the Replicators on the planet Hala.

UNNATURAL
SELECTION

The Replicators evolve into human form and are trapped on Hala in a time dilation field.

SIGHT UNSEEN

An Ancient device discovered on P9X-391 allows beings from an alternate dimension to become visible.

SMOKE & MIRRORS

When Kinsey is shot and O'Neill framed, Barrett investigates the Rogue NID and the Committee.

PARADISE LOST

The Tok'ra rescue Maybourne and O'Neill from the lost paradise where they were trapped.

PARADISE LOST

Maybourne deceives O'Neill and they are both transported to a lost alien utopia.

PARADISE LOST

P5X-777 and its moon were once inhabited by the Furlings.

METAMORPHOSIS

Nirrti is killed on P3X-367 after her hok'tar experiments alter the DNA of the inhabitants and of SG-1.

METAMORPHOSIS

Nirrti's DNA resequencer on P3X-367 is probably of Ancient design.

METAMORPHOSIS

A Russian team is established at the SGC, but the team is killed during the joint mission to P3X-367.

DISCLOSURE

Thor appears at the Pentagon to urge that the Stargate Program remain under the authority of the US military.

DISCLOSURE

Kinsey attempts, but fails, to use international pressure to acquire NID control of the Stargate Program.

DISCLOSURE

The Russians support the US as the SGC is disclosed to Britain, France, and China.

THE CHANGELING

Jacob arrives at the SGC with a refined Tok'ra version of tretonin that offers a cure for Teal'c and Bra'tac.

THE CHANGELING

Rebel Jaffa are killed at the Ambush of Kresh'taa, and tretonin provides an alternative to symbiotes for Bra'tac and Teal'c.

THE CHANGELING

Daniel returns in ascended form to offer guidance to Teal'c when he is badly wounded in an ambush.

PROPHECY

Mot is killed on P4S-237, and Nirrti's earlier hok'tar experiments have caused a brain tumor in Jonas.

PROPHECY

Sina, a Tok'ra liaison, brings word to the SGC of the defeat of Ba'al at the hands of Yu.

FULL CIRCLE

Anubis uses a superweapon to destroy Abydos and defeat the forces of the System Lords under Yu.

FULL CIRCLE

SG-1 discovers an Ancient tablet that may hold the key to the Lost City of the Ancients.

FULL CIRCLE

Daniel returns in ascended form to help SG-1 and to confront Anubis, but he is drawn away by Oma Desala.

SEASON SEVEN

Goa'uld

Tok'ra

Asgard

Replicators

Rebel Jaffa

NID

Ancients

Ori

Other

FALLEN

SG-1 destroys Anubis's superweapon, and Yu's mental competence begins to fail.

FALLEN

The Tok'ra Sina cooperates with SG-1 during the mission to destroy Anubis's superweapon.

FALLEN

The Ancient tablet leads SG-1 to Vis Uban in search of the Lost City of the Ancients.

FALLEN

Daniel returns to human form and to the SGC with no memory of his time as an ascended being.

HOMECOMING

Anubis attacks Kelowna and is defeated by the united forces of the System Lords under Ba'al.

HOMECOMING

Jonas returns to Kelowna and Daniel returns to SG-1.

FRAGILE
BALANCE

Jacob arrives at the SGC to help recover O'Neill and to save the young O'Neill clone.

FRAGILE
BALANCE

The Asgard Loki performs cloning experiments on humans, but he is stopped by Thor.

ORPHEUS

Ba'al seizes control of the death camp of Erebus where Bra'tac and Rya'c are prisoners.

ORPHEUS

SG-1 and Rak'nor rescue Bra'tac and Rya'c from Erebus, and the free Jaffa join the Rebel movement.

ENEMY MINE

The Unas Chaka helps mediate negotiations for mining rights with the native Unas of P3X-403.

AVENGER 2.0

Ba'al modifies Felger's Avenger virus, which shuts down the entire gate network.

AVENGER 2.0

The Tok'ra report that the entire stargate network has shut down.

AVENGER 2.0

O'Neill and Teal'c are trapped on P3C-249 when negotiations with Rebel Jaffa leaders break down.

BIRTHRIGHT

The Goa'uld Moloc has ordered that all female Jaffa be killed at birth.

BIRTHRIGHT

SG-1 meets the Hak'tyl, female Jaffa warriors who come to accept tretonin and to join the Rebel Jaffa.

EVOLUTION

Anubis's Kull Warriors are decimating the System Lords, and Ramius and Tilgath are killed.

EVOLUTION

Jacob assists SG-1 in studying the Kull Warriors and in the mission to Tartarus.

EVOLUTION

Bra'tac cooperates with SG-1 in the mission to Ramius's planet to capture a Kull Warrior, and to Tartarus.

EVOLUTION

SG-1 finds the Ancient reanimation device which may hold the key to defeating the Kull Warriors.

EVOLUTION

From his base on Tartarus, Anubus creates an army of Kull Warriors, soulless Goa'uld drones.

FALLOUT

Kianna has been taken as a host by a Goa'uld sent to Kelowna as an agent of Ba'al.

FALLOUT

The Tok'ra provide tunnel crystals to help SG-1 prevent the destruction of Kelowna.

FALLOUT

Jonas Quinn comes to Earth when his homeland of Kelowna is threatened by natural disaster.

CHIMERA

Osiris probes Daniel's mind, but she is captured and removed from the host.

DEATH KNELL

Anubis continues to eliminate the System Lords, and his Kull Warriors attack the Alpha Site.

DEATH KNELL

As the alliance between the Tok'ra and Rebel Jaffa crumbles, the Tok'ra withdraw from the Alpha Site.

DEATH KNELL

As the alliance between the Tok'ra and Rebel Jaffa crumbles, the Rebel Jaffa withdraw from the Alpha Site.

DEATH KNELL

Carter & Jacob use the Ancient reanimation device to develop a weapon effective against the Kull Warriors.

DEATH KNELL

A Kull Warrior pursues Carter after the destruction of the Alpha Site.

HEROES

SG-13 is ambushed on P3X-666 when the Goa'uld attack the planet.

HEROES

Kinsey appears in Bregman's film, and Woolsey conducts an investigation of Hammond's command decisions.

HEROES

SG-13 discovers ruins of the Ancients on P3X-666 before the planet is attacked.

HEROES

Dr. Janet Fraiser is killed in action on P3X-666.

RESURRECTION

Sekhmet manifests herself through Anna, a human-Goa'uld hybrid, but Anna takes her own life.

RESURRECTION

Barrett investigates a Rogue NID operation that created Anna, a human-Goa'uld hybrid.

INAUGURATION

Vice President Kinsey attempts to use Woolsey's investigation to remove SG-1 and gain control of the Stargate Program.

LOST CITY

Anubis gathers his forces and attacks Earth, but his fleet is destroyed in the battle over Antarctica.

LOST CITY

Bra'tac assists SG-1 in the mission to Praclarush Taonas and in the battle over Antarctica.

LOST CITY

Kinsey's attempts to gain control of the SGC are thwarted when he is forced to resign the vice-presidency.

LOST CITY

O'Neill acquires the knowledge of the Ancients, finds a ZPM, and activates Ancient weapons to defeat Anubis.

LOST CITY

Dr. Weir takes command of the SGC, and Hammond commands Prometheus in defense of Earth.

SEASON EIGHT

Goa'uld

Tok'ra

Asgard

Replicators

Rebel Jaffa

NID

Ancients

Ori

Other

NEW ORDER

Amaterasu, Yu, and Camulus fail to gain an alliance with Earth against Ba'al, and Camulus seeks asylum on Earth.

NEW ORDER

Thor and the Asgard defeat the Replicators at Orilla using the new disruptor technology.

NEW ORDER

The Replicators escape from Hala, and Fifth is defeated at Orilla but escapes and creates Replicator Carter.

NEW ORDER

O'Neill draws upon the knowledge of the Ancients to create the disruptor weapon effective against Replicators.

NEW ORDER

O'Neill takes command of the SGC as Dr. Weir departs and Hammond is transferred to Washington.

LOCKDOWN

The disembodied entity of Anubis possesses SGC personnel, and escapes through the gate to a frozen world.

LOCKDOWN

Russian officer Alexi Vaselov is possessed by the entity of Anubis which invades the SGC through him.

ZERO HOUR

Ba'al claims to have captured SG-1, and Camulus is turned over to Ba'al as his prisoner.

ZERO HOUR

Camulus leads the SGC to an Ancient ZPM, but it has been sabotaged.

AFFINITY

The Trust frames Teal'c for murder in order to acquire access codes to the Goa'uld alkesh they have captured.

COVENANT

Thor helps SG-1 to discredit Alec Colson's claims of the existence of alien life.

COVENANT

The Trust frames Colson for securities fraud to keep his evidence of alien life from becoming public.

SACRIFICES

Moloc is killed by SG-1 and the Hak'tyl, and Ba'al absorbs his forces.

SACRIFICES

SG-1, the Hak'tyl, and the Rebel Jaffa unite to eliminate the Goa'uld Moloc, and Rya'c is married to Kar'yn.

ENDGAME

Zarin, a Tok'ra operative within Ba'al's ranks, is a victim of the symbiote poison used by the Trust.

ENDGAME

M'zel and millions of Jaffa are killed by the chemical attack launched through the stargate by the Trust.

ENDGAME

The Trust steals the stargate and an alkesh, launches symbiote poison against Goa'uld worlds, and escapes.

GEMINI

Thor cooperates with SG-1's attempt to use a disruptor satellite to defeat the Replicators in this galaxy.

GEMINI

Replicator Carter destroys Fifth, becomes immune to the disruptor, and commands the Replicators.

PROMETHEUS
UNBOUND

Prometheus, under the command of Hammond, is bound for Atlantis when it is hijacked by Vala.

IT'S GOOD
TO BE KING

As Ba'al dominates the System Lords, Ares reclaims Maybourne's planet but is killed by O'Neill.

IT'S GOOD
TO BE KING

Maybourne is now King Arkhan on the planet on which the Tok'ra had left him.

IT'S GOOD
TO BE KING

SG-1 discovers a spacecraft and a time travel device built by the Ancients.

FULL ALERT

Goa'uld symbiotes have infested members of the Trust, including Kinsey, and the Russian military.

FULL ALERT

The Trust, including Kinsey, is infiltrated by the Goa'uld, and their alkesh is destroyed, but Kinsey escapes.

FULL ALERT

Colonel Chekov and O'Neill attempt to negotiate as the Goa'uld bring the US and Russia to the brink of global war.

CITIZEN JOE

Ancient stones act as psychic communication devices between O'Neill and an Indiana barber.

RECKONING

Yu is killed and the Goa'uld battle the Replicators as Anubis returns and Ba'al cooperates with SG-1.

RECKONING

Jacob helps SG-1 to modify the Ancient weapon on Dakara to defeat the Replicators.

RECKONING

Thor helps SG-1 in an attempt to reconfigure the disruptor weapon, but the Replicators remain immune.

RECKONING

Replicator Carter and all the Replicators in the galaxy are destroyed by the Ancient weapon on Dakara.

RECKONING

The Rebel Jaffa conquer Dakara and seize the holy temple and the Ancient weapon.

RECKONING

The Ancient weapon on Dakara is modified to eliminate all the Replicators in the galaxy.

RECKONING

Kull Warriors in service to Anubis face the Rebel Jaffa in the battle for Dakara.

THREADS

Anubis captures Dakara, but is eliminated by Oma Desala, who engages him in battle for eternity.

THREADS

As Selmak is dying, and no longer able to save the host, both Selmak and Jacob Carter pass away.

THREADS

The Rebel Jaffa retake Dakara from Anubis and claim it as the new homeworld for the Free Jaffa Nation.

THREADS

Oma Desala offers Daniel another chance to ascend, and she engages Anubis in eternal battle.

THREADS

A mortally wounded Daniel, from a higher plane of existence, is offered a chance to ascend, but chooses to retake human form.

MOEBIUS

In 3000 BC, Ra was overthrown on Earth, and the stargate was buried at Giza.

MOEBIUS

SG-1 uses the Ancient spacecraft and time travel device to travel to ancient Egypt and acquire a ZPM.

MOEBIUS

SG-1 travels in time and alters history, bringing about the original uprising against Ra in ancient Egypt.

SEASON NINE

Goa'uld

Tok'ra

Asgard

Replicators

Rebel Jaffa

NID

Ancients

Ori

Other

AVALON

Teal'c and Rak'nor are among the leaders working to build a free Jaffa Nation on Dakara.

AVALON

Merlin was an Ancient, and his treasure, including a communication terminal, is hidden on Earth at Glastonbury.

AVALON

The Ancients and the Ori are descendants of the Alterans, and Daniel and Vala encounter a Prior of the Ori.

AVALON

O'Neill is assigned to Washington, Landry takes command of the SGC, Mitchell comes to join SG-1, and Vala arrives on Earth.

ORIGIN

Gerak, the new leader of the Jaffa Nation, engages in uneasy negotiations with Landry at the SGC.

ORIGIN

The Ancient communication terminal allows Daniel and Vala to communicate in a distant galaxy.

ORIGIN

Daniel and Vala are brought before the Doci, the powerful leader of Origin who vows to eliminate all unbelievers.

THE TIES THAT BIND

The team testifies before the International Committee, and also encounters Tenat and Jup of the Lucian Alliance.

THE POWERS
THAT BE

Vala had once been the host to the Goa'uld Qetesh.

THE POWERS
THAT BE

A Prior visits P8X-412 and causes a plague among the people in order to convince the inhabitants to accept Origin.

BEACHHEAD

Nerus proposes an alliance with Earth, but he is secretly working as an agent of the Ori.

BEACHHEAD

Gerak confronts SG-1 at Kallana, and his attack of the planet allows a singularity to form.

BEACHHEAD

A Prior arrives on Kallana and attempts to create an Ori beachhead, but the supergate is destroyed.

BEACHHEAD

Vala sacrifices her life and is drawn away into the Ori galaxy, and Carter returns to SG-1.

EX DEUS MACHINA

Ba'al has made multiple clones of himself, many of whom are living on Earth.

EX DEUS MACHINA

Gerak guarantees his position as head of the Jaffa High Council by capturing Ba'al on Earth.

EX DEUS MACHINA

Barrett and the NID cooperate with SG-1, and Ba'al has become the head of the Trust on Earth.

EX DEUS MACHINA

The band is back together. SG-1 is officially reunited.

BABYLON

The Sodan use technology of the Ancients, including a transportation obelisk and a cloak of invisibility.

BABYLON

A Prior visits the Sodan world, and Lord Haikon has begun to accept the teachings of Origin.

BABYLON

SG-1 encounters the Sodan, legendary Jaffa warriors, and Mitchell must face Jolan in ritual battle to the death.

PROTOTYPE

Anubis had created Khalek, a human-Goa'uld hybrid capable of ascension.

PROTOTYPE

Anubis had used the DNA resequencer of the Ancients to create a genetic hybrid capable of ascension.

PROTOTYPE

Richard Woolsey has become the International Oversight Advisory liaison to the SGC.

THE FOURTH
HORSEMAN

Gerak embraces Origin and becomes a Prior of the Ori before sacrificing himself to end the plague.

THE FOURTH
HORSEMAN

Orlin retakes human form as a child to help fight against the Ori and to find a cure for the Prior plague.

THE FOURTH
HORSEMAN

Priors visit Dakara and the Sodan world, and Earth falls to the Prior plague until a cure is found.

THE FOURTH
HORSEMAN

The Sodan cooperate with SG-1 to capture a Prior, and Hammond, Chekov, and the IOA gather at the SGC.

RIPPLE EFFECT

In an alternate reality, Martouf is a member of SG-1.

RIPPLE EFFECT

Kvasir helps SG-1 to reverse the convergence effect and seal the subspace rupture between alternate universes.

RIPPLE EFFECT

In an alternate reality, Janet Fraiser is a member of SG-1.

STRONGHOLD

Ba'al brainwashes Jaffa Council members and captures Teal'c and Bra'tac in a move to rule the Jaffa Nation.

STRONGHOLD

As the Jaffa High Council considers a move toward democracy, members are kidnapped and brainwashed by Ba'al.

ETHON

An Ori satellite weapon offered to the Rand Protectorate leads to global warfare and the destruction of Tegalus.

ETHON

The Prometheus is destroyed by an Ori satellite weapon in orbit above Tegalus.

OFF THE GRID

Nerus leads SG-1 to Ba'al, who is stealing stargates in order to rebuild his empire.

OFF THE GRID

The newly commissioned Odyssey rescues SG-1 from the Lucian Alliance and recovers the stolen stargates.

THE SCOURGE

The R75 insect species is most likely the next phase of Prior devastation.

THE SCOURGE

Odyssey provides escape when members of the IOA visit the Gamma Site and come under attack by alien insects.

ARTHUR'S MANTLE

Merlin's Ancient phase-shift device provides a key to the location of Merlin's Ancient weapon.

ARTHUR'S MANTLE

For refusing Origin, a Prior causes an illness in Volnek which leads him to kill the Sodan.

ARTHUR'S MANTLE

The Sodan have been wiped out by Volnek, and only Haikon remains alive.

CRUSADE

An Ancient communication terminal allows Vala to communicate with the SGC from the Ori galaxy.

CRUSADE

Ori warriors build ships and prepare for the Day of Reckoning and the invasion of the galaxy as Vala carries a child that is "the will of the Ori."

CRUSADE

Vala is carrying the child of the Ori, and the Russians and Chinese jockey for power within the IOA.

CAMELOT

Tok'ra ships join the allied armada to battle the Ori invasion at the supergate.