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…

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 must turn to a pair of convicted criminals to save a world from annihilation by the Goa’uld.

Daniel Jackson is exposed to a lethal dose of radiation while visiting an alien civilization that is building a weapon of mass destruction.

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

SG-1 discovers that their recent trip through the Stargate may have inadvertently doomed an entire civilization.

Cassandra mysteriously falls ill, sending SG-1 back to her home planet — where they uncover a dark Goa’uld secret.

SG-1 discovers a civilization that uses Unas as slave labor, and attempt to liberate Daniel’s friend, Chaka.

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

The Tollan offer Earth advanced weapons technology, prompting a secret investigation on Tollana — one that leads to a startling discovery.

SG-1 encounters a potential new, technologically advanced ally in the war against the Goa’uld — though they do not know the Aschen’s dark secret.

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.

SG-1 trains a team of raw cadets, and Colonel O’Neill is forced to take them into a real-life battle situation when he learns of a possible alien incursion at the…

Disaster strikes the Stargate, trapping Teal’c in transit. SG-1 must turn to Russia — and to their enemies — for help.

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

Dr. Jackson’s undercover mission to a Goa’uld summit is complicated by the arrival of a surprise guest. The rest of the team face a full-scale invasion of the Tok’ra homeworld.

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.

A charismatic Jaffa leader seeks to forge an alliance between Earth and his rebel followers, winning the allegiance of Teal’c and Bra’tac.

SG-1 encounters a young woman with the ability to control Replicators, and who may hold the key to the salvation of the Asgard.

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.

His mind altered by Apophis, Teal’c must undergo a ritual that takes him to the edge of death itself, in order for him to rediscover who he is.

An alien being is smitten with Carter and follows her back to Earth. It assumes a human form and pursues a relationship with her.

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.

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.

The SGC is invaded by an alien life force that takes up residence in the base computer system — and in Major Carter.

SG-1 must rescue an alien world from the Goa’uld — with help from an unexpected source. Teal’c seeks revenge on the System Lord Cronus for the murder of his father.

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…

Teal’c is reunited with his lost love — a woman who claims to have found a way to communicate with her symbiote and defeat the Goa’uld.

When a member of the SGC tries to kill a Tok’ra, it is revealed that O’Neill and Carter may be victims of an untraceable form of Goa’uld mind control.

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.

The Russians recover a Stargate from the bottom of the ocean, and turn to the SGC for help when their experiments go awry.

Dr. Jackson is taken captive by an Unas while on an archaeological dig. The SGC mounts a rescue operation, but discovers a danger of their own.

SG-1 is caught in a conflict between two civilizations trying to colonize the same planet.

The members of SG-1 are used as forced labor in an underground alien facility after their memories are erased by the ruling elite.

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

A test gone wrong leaves Jack and Teal’c marooned in space aboard a damaged prototype attack ship

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 stop Apophis and Heru-ur from forming an alliance of their powerful forces, while Teal’c is captured and tortured by the Goa’uld.

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.