Stargate SG-1 - Season 4

SG-1 has to deal with a Replicator infestation on a Russian sub on Earth while Major Carter advises the Asgard about combating the menace in their galaxy.

The SGC is contacted by an advanced and embattled alien human civilization seeking military assistance, but their exact reasons for it become increasingly suspect. (imdb.com)

The SGC is visited by a Tok'ra named Anise who brings some armbands used by the soldiers of a long extinct race, which are supposed to increase the abilities of the wearers. O'Neill, Carter and Jackson put the armbands on and it increases their physical strength, but it also causes them to make rash decisions. Can they get the armbands off before they cause their deaths? (imdb.com)

An old love of Teal'c approaches the SGC and the Tok'ra claiming that her Goa'uld symbiote has been convinced to defect with their help. (imdb.com)

When an SG-team member tries to assassinate the Tok'ra leader, it is believed that some of the SGC have been converted into Za'tarc - programmed assassins. The Tok'ra Freya comes to the SGC with Martouf to try and test all SG-team members. But the Za'tarc detector suggests that O'Neill and Carter are actually Za'tarcs. Is this correct and is there another Za'tarc at the SGC? (imdb.com)

Col. O'Neill and Teal'c realize they and their friends are trapped in a time loop. - IMDb

The SGC learn that the Russians have a Stargate of their own and they need the Americans' help with their problems with it that are affecting them both. (imdb.com)

While on an archaeological dig at the original Goa'uld home world, Daniel is captured by a young Unas. He tries to communicate with it and slowly builds a rapport. Meanwhile, SG-1 comes to the planet to find Daniel and they soon realise that some of the SG-team members there may have been taken over by Goa'uld. Will they be able to discover which ones in time to rescue Daniel? (imdb.com)

On the Enkarans' new home, SG-1 discovers a giant spaceship is threatening the colonists as it terraforms the planet. (imdb.com)

The SG-1 team awake to find they have lost their memories. They believe they are workers in an underground power station. They are told that they are helping to preserve life during an ice age. In truth, they are slave labor to a huge domed city above. When Teal'c starts to recover his memory and is given another amnesia treatment, he forgets his Kelno'reem and starts to die. Will the others recover their memories in time to save him? (imdb.com)

The SGC is contacted by a strange man called Martin, a conspiricist who believes he is an alien. The question is, how does Martin know about the Stargate and how come he has a gate address and is he being drugged by others? (imdb.com)

While testing a new spacefighter made from Goa'uld parts, Col. O'Neill and Teal'c are trapped when a hidden automatic recall function takes over and sends it into space. (imdb.com)

When one of Daniel's professors dies in a lab explosion which might be related to the Goa'uld, he comes back to Chicago to investigate what really happened. (imdb.com)

Teal'c is captured by the Goa'uld Heru'ur on Chulak so he can be used as a bargaining chip when Heru'ur meets with Apophis to discuss an alliance. Jack, Sam, Daniel and Jacob Carter attempt to sabotage the meeting but are unaware that Teal'c is involved. (imdb.com)

General Hammond mysteriously retires from the SGC and a new general is brought in, who immediately breaks up SG-1. O'Neill tries to convince Gen. Hammond to return, but he finds out that someone ordered Hammond to leave or they would hurt his grandchildren. While the others are occupying the new general, O'Neill tries to find out who that "someone" is. Thereto he must place his trust in the one person he hates most: Maybourne. (imdb.com)

It's 2010, ten years since SG-1 made contact with an alien race called the Aschen. With their help, the Goa'uld have been defeated, and diseases such as cancer have been wiped out. But things are not all as they seem to be. With no hope of being able to fight the Aschen, SG-1 comes to realize that there is still hope: send a message through the Stargate to stave off disaster - ten years in the past. (imdb.com)

When a "chosen" boy found on planet Abydos is brought to SGC, he sends a telepathic message, causing Daniel Jackson's personality to undergo disturbing changes. Will the rest of SG-1 be able to solve the mystery of the boy's origin before he becomes a power-hungry warmonger? (imdb.com)

After visiting a new planet, the SGC encounters a problem of suicidal SG members, including Daniel. O'Neill, Sam and Teal'c go to the planet that Daniel and the others had visited and find a young boy, Loran. Dr. Fraiser determines that whatever is happening is neither drug induced or the result of contagion. On the planet, all of them are attracted to a strange light, which seems to be the source of the problem. (imdb.com)

Carter decides to inspire a brilliant but difficult Air Force cadet by introducing her to the SGC program. (imdb.com)

When the SGC probes a new planet, an alien energy entity there responds by invading the SGC's computer systems, and then Major Carter herself. (imdb.com)

SG1 arrives on a planet they've been to before but don't get a very positive welcome. When there previously, they told the locals to be safe from the Goa'uld. It turns out that the system lord Cronus has come to the planet by ship, enslaving the population. SG1 is taken prisoner, and Daniel Jackson is killed. It turns out that the team on the planet are actually the androids created by Harlan. The real SG-1 then sets out adress the situation. (imdb.com)

SG-1 delivers their newly confiscated Goa'uld mothership to help the Tok'ra evacuate their planet and deal with their disinformed Goa'uld spy in their midst. (imdb.com)