SG-1 investigates a secret N.I.D. laboratory, where a ruthless scientist has used cloning technology to create a Goa’uld-human hybrid.
SG-1 is called into action while a film crew is documenting the Stargate program, but the
S.G.C. comes under investigation after the mission goes terribly wrong.
A film crew arrives to document the work of the S.G.C. for eventual disclosure to the public, but finds that the base’s personnel are less than eager to participate.
Earth’s secret offworld base is attacked by Anubis’ forces, and Major Carter finds herself being hunted by the enemy. General Hammond and Jacob Carter make an unnerving discovery about the Earth-Tok’ra alliance.
Daniel is plagued by dreams of his former girlfriend, who has been taken as a Goa’uld host. Samantha Carter begins a romantic relationship with a detective, from whom she must hide her life at Stargate Command.
When the Kelownans discover that a massive underground vein of naquadah is being converted into naquadria, Jonas Quinn seeks help from Earth in avoiding the total destruction of his planet.
Carter is injured when the Prometheus is attacked by an unknown ship, and awakens to find herself stranded alone in deep space.
O’Neill seeks help from a former comrade to rescue Daniel and Dr. Lee, who have been kidnapped in Central America. Carter, Teal’c and Jacob infiltrate Anubis’ super-soldier facility.
The team investigates an unstoppable new enemy soldier engineered by Anubis. Dr. Jackson leads a team in search of an alien device in Central America, but gets more than he bargained for.
The team finds a fugitive colony of Jaffa women, who must prey on other Jaffa to acquire symbiotes.
An S.G.C. scientist creates a computer virus to be used to disable enemy Stargates — but succeeds in shutting down the entire gate network.
Major Carter joins an alien pilot for a space race, where the winner is awarded a lucrative contract with the planet’s most powerful corporation. But the rest of the team discovers that there is more at stake than the finish line.
When Earth’s attempts to exploit a newly-discovered naquadah mine are thwarted by a tribe of indigenous Unas, SG-1 must turn to an old friend for help.
When SG-1 finds a crashed alien space ship, Daniel’s mind is taken over by its disembodied passengers.
The team gates to a climate-controlled environment amidst a toxic wasteland, whose people are all linked to a central computer.
After an injury, Teal’c must put aside his self-doubt when SG-1 launches a mission to rescue his son and his mentor from a Jaffa death camp.
A teenage boy shows up at the S.G.C. claiming to be Jack O’Neill, sending the team on a mission to uncover his true identity.
The team returns to Jonas’ homeworld when they learn that the Goa’uld are after its naquadria. When Jonas is captured by Anubis, Daniel is his only hope.
While searching for the Lost City of the Ancients on a distant planet, SG-1 is stunned to find Daniel Jackson alive and in human form but stripped of his memory. O’Neill convinces Daniel to return with them to the SGC, where he is reinstated for a daring mission to destroy Anubis’ powerful new super-weapon!
SG-1 is called to defend the people of Abydos from the Goa’uld once again when they learn that Anubis, in search of a powerful device, is about to attack.
The team finds an impoverished world enslaved by a Goa’uld underlord, but their plans to free it may be compromised when Jonas experiences unexplained visions of the future.
Prometheus is forced to land on an alien world, where the local Stargate is the team’s only chance of returning home — though the local population believe the gate to be a myth.
A near-death trial causes Teal’c to imagine his life as very different from the one he knows, where he is a normal person living on Earth — until he can no longer distinguish reality.
When the team finds a crashed ship on another planet, their efforts to help the crew effect repairs are hindered by a group of aliens.
General Hammond and the Pentagon reveal the existence of the Stargate to other world governments, and must defend the fact that the program is operated by the United States military.
SG-1 attempts to save a planet’s inhabitants from Nirrti’s genetic experimentation, but find themselves to be her next victims.
Colonel O’Neill is trapped on an alien planet with Maybourne, and must fight to stay alive as his companion becomes increasingly paranoid.
Colonel O’Neill is charged with the murder of Senator Kinsey, and the rest of the team must uncover a conspiracy in order to clear his name.
The team returns to Earth with a piece of technology that allows them to see alien creatures everywhere, and must attempt to contain the problem when it spreads beyond the base.
The team is called into battle unexpectedly when the Asgard homeworld is overrun by Replicators — which have evolved into a startling new form.
A news reporter threatens to expose a top-secret military project, but when Carter and Jonas
give her a tour of the X-303, they discover that she is a pawn in a much larger plot.
An alien world offers Earth a medicine with the power to cure any illness — but the hidden price may be too high to pay.
Tensions rise between the Tok’ra and rebel Jaffa at the S.G.C.’s offworld base when they are attacked by an invisible enemy.
When SG-1 is captured by the Goa’uld, a pair of scientists mount a rescue operation … whether they’re wanted or not.
Jonas’ people ask Earth for military aide in an impending war with their rival nations, but his former mentor offers another solution: a resistance movement ready for a coup.
O’Neill is captured and tortured by the Goa’uld, and must rely on an old friend to survive.
Carter, Teal’c and Jonas investigate the death of a scientist with connections to the Goa’uld, and find a small town whose citizens harbor a dark secret.
SG-1 investigates the discovery of a woman frozen in the ice in Antarctica, who may be a link to the gate builders. A mysterious disease threatens to kill everyone at the research base.
SG-1 boards an abandoned Goa’uld mothership that has mysteriously arrived in Earth’s orbit, and must escape the doomed vessel when it crashes into the ocean.
Carter must find a way to save Earth from total destruction at the hands of the Goa’uld, who have turned the Stargate into a doomsday bomb. Rya’c joins his father on a mission to destroy the Goa’uld weapon.