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.

As the Ori invade the Jaffa planet Chulak, Vala and Daniel must deal with their leader: Vala’s young daughter, rapidly aged by the Ori to serve their purposes.

Earth is infected with a deadly Ori plague, prompting an ally from SG-1’s past to come to their aid. Gerak proposes that the Free Jaffa follow the Ori religion.

Baal kidnaps Teal’c as part of a plot to brainwash those Jaffa advocating a move toward democracy. Cameron Mitchell learns that an old friend is about to die.

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…

While Daniel finds himself in a mysterious diner suspended between death and ascension, Jacob’s fate takes an unexpected turn, Jack and Sam consider their romantic lives, and Anubis unleashes his…

O’Neill goes to great lengths to keep the Ancients’ knowledge from falling into Goa’uld hands when the team discovers a second repository. The President replaces General Hammond with a civilian…

Anubis begins a systematic assault on Earth, and the planet’s only hope of salvation depends on whether SG-1 can find the Ancients’ mythical Lost City.

The Replicators begin a systematic attack of the Goa’uld, forcing Baal to come to Earth for help. The Jaffa Resistance risk their entire movement in an attempt to retake a…

The fate of the galaxy hangs in the balance as Sam and Jacob search for the only weapon capable of stopping the Replicator onslaught. O’Neill leads a defense of the…

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…

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 impending wedding of his son is the least of Teal’c’s worries when the Hak’tyl plan an uprising against the Goa’uld Moloc, driving a wedge between Teal’c and Ishta.

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

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.

SG-1 discovers the mystical planet Kheb, and must find the Harcesis child of Apophis and Sha’re before Apophis’s army does.

O’Neill, Carter and Jackson awaken from stasis in what appears to be the S.G.C. — almost 80 years in the future.

O’Neill, Carter and Jackson must escape Hathor’s clutches, while Teal’c tries to raise a Jaffa army on Chulak. General Hammond must take desperate measures to rescue the team.

The SG-1 team attempt to rescue Teal’c’s son, who has been kidnapped and brainwashed by Apophis. Teal’c learns disturbing news about his wife.

With SG-1 trapped on Klorel’s ship, it seems that Earth is doomed as the Pyramid Ships prepare to destroy Earth.