The true believers have gathered once again for the North American UFO Convention where there are typically squabbles, petty betrayals and egotistical grandstanding. Max Buford has in his possession what…

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

When Baal comes to Earth seeking help, Stargate Command must capture his clones and determine which one is the genuine article.

Vala Mal Doran makes contact with Stargate Command from the Ori home galaxy, and tells the story of her life undercover in a village of followers building the Ori’s invasion…

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.

Samantha Carter returns to Stargate Command when the Ori seize control of a planet, using an expanding force field to gain a foothold in our galaxy.

A duplicate of Colonel Carter seeks help from Stargate Command in defeating the Replicator Fifth, who she claims has found a way to counter the Asgard’s new weapon.

Teal’c is trapped in a virtual reality simulation, in which he must defend the base from a Goa’uld super-soldier incursion.

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.

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…

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

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

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 adjust to a new commanding officer when General Hammond steps down — but O’Neill discovers foul play behind the general’s resignation.

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

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.

A Tok’ra archaeologist arrives at the SGC with newly discovered technology, giving the SG-1 team superhuman powers.

O’Neill and Teal’c risk their lives to keep the Replicator bugs from gaining a foothold on Earth, while Carter helps the Asgard fend off a Replicator invasion.

A warring alien race offers to exchange their advanced technology for Earth’s help in defeating their enemy.

An alien artifact causes Daniel to disappear, and the team looks for help from his institutionalized grandfather.

SG-1 returns from a mission and discovers that metamorphic aliens have taken over the complex.

Colonel O’Neill is trapped on an alien planet with Maybourne, and must fight to stay alive as his companion becomes increasingly paranoid.

The team is called into battle unexpectedly when the Asgard homeworld is overrun by Replicators — which have evolved into a startling new form.

Tragedy reunites Teal’c with his son, who blames him for the death of his mother. O’Neill and Carter launch a risky plan with untested technology when Earth comes under attack…

Apophis, SG-1’s greatest enemy, seeks sanctuary from Sokar and ends up near death in the S.G.C. infirmiry.

O’Neill becomes the unwilling receptacle for a library of alien knowledge.

SG-1 discovers an ancient artifact that takes O’Neill and the S.G.C. hostage.

The members of SG-1 arrive on P3X-989 and are knocked unconscious. They wake up and return to Earth only to find that they are not quite themselves.

Colonel O’Neill and Captain Carter are separated from Jackson and Teal’c during a Stargate journey, and are trapped on a desolate ice world with no way of escape.

On her Christmas vacation with her brother’s family, Scully receives a mysterious phone call from a familiar voice who says, “She needs your help. Go to her.” The phone call…

Picking up where the finale left off, Sam and Dean must deal with the Darkness that has been unleashed. Castiel deals with the effects of Rowena’s spell and recalls his…