O'Neill and Teal'c are caught in a time loop in the SGC, and must relive the same 10 hours over and over again.

SG-1 investigates a conspiracy theorist who has detailed knowledge of the Stargate program.

When his former mentor dies, Dr. Jackson returns to his roots -- and discovers an ancient Egyptian artifact containing a Goa'uld parasite.

SG-1 must adjust to a new commanding officer when General Hammond steps down -- but O'Neill discovers foul play behind the general's resignation.

Carter must help keep a promising young cadet from throwing away a future at the SGC. O'Neill and Teal'c encounter a dangerous life form at an offworld research base.

SG-1 helps to evacuate the Tok'ra to a new base -- but matters are complicated when a spy reveals their location to Apophis. The team attempts a daring plan to take out the Goa'uld's powerful fleet.

SG-1 finds themselves stranded in a crippled ship in a distant galaxy -- with Apophis threatening to destroy them. Teal'c is brainwashed and made loyal to Apophis once again.

O'Neill and Lieutenant Tyler are ambushed by Goa'uld forces and trapped behind enemy lines -- while the rest of their team discover they don't know who Tyler is.

SG-1 teams with a Russian unit when one of their Stargate teams goes missing in a mysterious alien ziggurat.

When Carter goes missing, O'Neill teams up with Col. Maybourne again to free her.

An alien ship approaches Earth, sending SG-1 to an old friend for some answers -- where they discover that Martin Lloyd has created a TV show about the Stargate program.

The Tok'ra war with the Goa'uld escalates, and the rebel faction sends Daniel Jackson to a secret meeting between the System Lords.

Earth finds itself threatened by something even larger than the Goa'uld when the team learns that an asteroid is on a collision course with the planet.

SG-1 must come to the rescue of their once-powerful allies when the Goa'uld attack a secret Asgard laboratory.

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, 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.

Jonas' people ask Earth for military aid in an impending war with their rival nations, but his former mentor offers another solution: a resistance movement ready for a coup.

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.

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.

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.

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.

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.

The team gates to a climate-controlled environment amidst a toxic wasteland, whose people are all linked to a central computer.

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.

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.

The newly-elected president is debriefed about the Stargate program, and Vice President Kinsey makes a new play for control of the program.

Carter and Teal'c go in search of the Asgard to try and save Colonel O'Neill, but discover that the Asgard's enemy has returned with a vengeance. The System Lords seek an alliance with Earth against a common enemy.

The S.G.C. is put under quarantine after a mysterious infection leaves a Russian officer in the infirmary -- but the disease may not be a disease at all.

The Stargate is stolen, leading SG-1 to discover that the Trust has taken control of an advanced ship in orbit. Teal'c investigates a series of wide-spread Jaffa deaths.

SG-1 comes to the aid of a world about to be invaded by the Goa'uld, only to discover that the local king is Earth's Harry Maybourne.

Relations between the U.S. and Russia are strained when Russian military leaders claim that the U.S. government has been compromised by the Goa'uld.

SG-1 travels back in time in a daring plan to steal a piece of Ancient technology from Ra, the powerful Goa'uld who ruled in ancient Egypt.

Jackson and Mitchell must join Vala on an interplanetary scavenger hunt when they learn that they are still bound together by an alien energy field.

SG-1 investigates when evidence suggests that there are still Goa'uld hiding on Earth -- including a former System Lord. Tensions between Earth and the Free Jaffa continue to mount.

As the Ori plague spreads rapidly, SG-1 hopes that the Prior who caused the disease may hold the key to its cure. Gerak tries to rally the Jaffa to the Ori's cause, prompting Teal'c and Bra'tac to initiate a resistance.

When SG-1 travels to an Asgard Protected Planet, Colonel Mitchell is accused of a murder he did not commit.

Multiple SG-1s show up at Stargate Command, leading the "real" team to conclude that they have each been inadvertantly displaced from different parallel realities.

A tour of an off-world research base for a group of foreign diplomats turns dangerous when an insidious insect species gets loose.

SG-1 discovers the village of Camelot on an alien world, and must face Merlin's security system when they go in search of an Ancient weapon. Elsewhere, Earth and its allies assemble a fleet when a working Ori Supergate is discovered.

SG-1 investigates a problem off-world and soon finds that they have become victims themselves: they cannot stay awake. Meanwhile, Vala Mal Doran undergoes an evaluation on Earth, hoping to join SG-1.

Martin Lloyd seeks out SG-1 for assistance when his failed TV show based on the real Stargate program becomes a feature film.

The Jaffa take the fight to the Ori, using a genocidal weapon on their new worshipers and landing SG-1 in the middle of a war they can't control.

Stricken with amnesia and on the run, Vala takes a job as a waitress as she tries to piece together who she is and what happened to her.

SG-1 races against Baal in the hunt to find the Sangraal, Merlin's anti-Ori weapon, and comes up against a series of ancient trials.

When the team finds Merlin himself, they must help him complete the Sangraal weapon before Adria and her Ori forces can track them down.

Earth provides sanctuary for Vala's estranged, con artist father after he provides intel about a Jaffa plot to attack the planet.