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.

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 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.

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.

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.

SG-1 investigates a secret N.I.D. laboratory, where a ruthless scientist has used cloning technology to create a Goa'uld-human hybrid.

General O'Neill tries to settle into his new job, but faces never-ending crises - including the capture of SG-1 by the Goa'uld.

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

An Air Force pilot attempts to reassemble SG-1 after they have gone their separate ways. An old "friend" arrives on Earth asking for Daniel's help in finding an ancient treasure -- and she won't take no for an answer.

An Ancient communications device renders Daniel and Vala unconscious, sending their minds to another galaxy -- where they inhabit the bodies of two people persecuted by the followers of an evil religion.

Daniel comes face to face with the Ori, a fiery race of beings who demand the worship of mortals. Elsewhere, Stargate Command encounters the first Ori missionary in our galaxy.

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.

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.

Mitchell and Carter are shifted to another dimension, making them invisible to everyone at the S.G.C. Meanwhile, Teal'c and SG-9 discover that the Sodan have been brutally attacked.

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

An experiment gone wrong pulls Samantha Carter into a parallel reality, where she must save Earth from an Ori assault before she will be allowed to return home.

When the Lucian Alliance puts a bounty on SG-1's heads, Cameron Mitchell finds himself a target while attending his high school reunion.

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