Stargate SG-1

Colonel Jack O'Neill returns to Abydos to retrieve Daniel Jackson, who has discovered new information about a vast alien transit system. Powerful aliens arrive on Earth through the Stargate, increasing the urgency for Daniel's knowledge. The episode examines the wider implications of the interstellar network.

Colonel O'Neill leads SG-1 to the planet Chulak in pursuit of Apophis, with the mission to rescue Sha're and Skaara. During the mission, the team forms an unexpected alliance with one of Apophis' Jaffa warriors.

Major Kawalsky is taken over by a Goa'uld parasite, prompting the SGC to seek a method to remove it while ensuring his survival.

Carter's challenge to the strict gender roles of an alien society leads the civilization to reconsider its traditional perspectives on women.

In *Stargate SG-1*, the members of the SG-1 team become infected with an alien virus that causes them to regress into primitive, aggressive forms. Dr. Janet Fraiser works urgently to find a cure before the condition spreads to the local alien population.

A rogue Stargate commander, having descended into madness, declares himself a god on an alien world, and SG-1 is sent to stop him before his actions lead to catastrophe.

During a mission on an off-world location, Jack is incapacitated by energy emitted from a blue crystal, which results in the creation of a duplicate that takes his identity and returns to Earth in his place.

Under government pressure to acquire new technologies, SG-1 travels to a planet that appears to be inhabited by a primitive civilization. The mission becomes dangerous when Apophis arrives, and an attempt to ambush him leads to unexpected and disastrous consequences.

In *Stargate SG-1*, the team encounters a mysterious alien species known for their rapid aging process. When Colonel Jack O'Neill begins to experience the same symptoms, the team is forced to confront the implications of a condition that could end his life prematurely.

Teal'c and O'Neill end up in an underground prison constructed by the Asgard to protect an alien planet from the Goa'uld.

In *Stargate SG-1*, the team investigates the disappearance of Catherine Langford's fiancé, who was part of the first Stargate mission in 1945. Their investigation leads them to an ancient chamber that may hold profound cosmic knowledge.

Teal'c returns to his homeworld of Chulak to prevent the Jaffa from placing a Goa'uld larva inside his son.

Daniel is captured by an alien with a secret motive, while his teammates believe he has died.

Hathor, a Goa'uld who was exiled by the System Lords, is found in a sarcophagus on Earth and takes control of the S.G.C. in an effort to build a new army and restore her power.

A mysterious illness wipes out an entire planet and an SG team, leaving only a young girl as the sole survivor. Captain Carter develops a connection with the girl, but later uncovers that the girl is being controlled by the Goa'uld.

In this episode, Teal'c is put on trial for a crime he committed during his time as first prime to the Goa'uld Apophis, following an accusation by a villager on an alien world who claims Teal'c was responsible for his father's death. The episode delves into themes of justice, identity, and the repercussions of Teal'c's actions from his past life.

The SG-1 team rescues a group of highly evolved humans from a planet facing imminent destruction and endeavors to find a secure new home for them, while also attempting to keep their existence concealed from the Pentagon.

Colonel O'Neill and Captain Carter become stranded on a frozen, uninhabitable planet after becoming separated from Dr. Jackson and Teal'c during a mission through the Stargate.

SG-1 arrives on a distant planet, only to be rendered unconscious. Upon waking and returning to Earth, they begin to experience unsettling changes that suggest they may no longer be who they were.

Daniel is transported to an alternate reality by an alien artifact, where he discovers he is not part of the Stargate program and the Goa'uld, now led by Teal'c, are launching an invasion of Earth.

Senator Kinsey visits the SGC to assess the program's value to the U.S. budget, prompting the team to review key missions from the previous year.

SG-1 narrowly escapes through the Stargate before it is permanently closed, confirming Daniel's vision that Apophis plans to attack Earth from orbit. The team faces a dire challenge as they confront Apophis and his son Klorel, who has taken control of their ally Skaara's body.