The O’Brien family comes together in the aftermath of Connor’s heart attack. Jess and David deal with media fallout after Dennis Peck goes on the run, and we finally discover…

When Jeremy accidentally sneezes on Gabby, his mucous causes Gabby to become an academic genius; now armed with super smarts, Gabby battles arch rival Susie in a math showdown.

When Gabby hears a rumor about herself going around at school, she uses a telepathic alien to find out who started it, jeopardizing the alien in the process.

The Asgard aid Earth in negotiating a nonagression treaty with the Goa’uld System Lords.

While SG-1 tries to form an alliance with the Tok’ra, a spy betrays the rebels to the Goa’uld. Jacob Carter finds that the Tok’ra may be his only hope of…

SG-1 finds a planet inhabited by Native American Indians, protected by spirits who are actually advanced alien shapeshifters.

SG-1 locates the Tok’ra, a Goa’uld resistence movement who oppose the System Lords, and attempt to form an alliance. Jacob Carter’s cancer brings him near death.

Teal’c is infected with deadly venom from a giant insect, and begins a terrible transformation. When he escapes the S.G.C., SG-1 must find him before Colonel Maybourne does.

SG-1 returns to Cimmeria, and finds that without protection from the Asgard the planet has been invaded by the Goa’uld.

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.

SG-1 is imprisoned in a virtual reality realm and forced to relive the worst moments of their lives over and over.

Carter is possessed by a Goa’uld who claims to be an enemy of the System Lords.

SG-1 is put on trial and exiled to a prison world, where a woman maintains a strange control over her fellow prisoners.

An alien artifact transports Daniel to an alternate reality, where he is not a part of the Stargate program and the Goa’uld — led by Teal’c — are invading Earth.

After the body of a decapitated EMT disappears from the morgue and an identical man starts work at the same hospital, Mulder believes that the man has the ability to…