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Stargate SG-1
Season 4 • Episode 3 • Upgrades
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Stargate SG-1 Season 4, Episode 3: Upgrades
A Tok'ra archaeologist arrives at the SGC with newly discovered technology, giving the SG-1 team superhuman powers. Watch Stargate SG-1 Season 4, Episode 3 Upgrades in HD free online. Enjoy high-quality streaming of Stargate SG-1 Season 4, Episode 3 and share your thoughts in the comments below!
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Episodes
22 episodes
Small Victories (2)
O'Neill and Teal'c risk their lives to keep the Replicator bugs from gaining a foothold on Earth, while Carter helps the Asgard fend off a Replicator invasion.
44 min
The Other Side
A warring alien race offers to exchange their advanced technology for Earth's help in defeating their enemy.
44 min
Upgrades
A Tok'ra archaeologist arrives at the SGC with newly discovered technology, giving the SG-1 team superhuman powers.
44 min
Crossroads
Teal'c is reunited with his lost love -- a woman who claims to have found a way to communicate with her symbiote and defeat the Goa'uld.
44 min
Divide and Conquer
When a member of the SGC tries to kill a Tok'ra, it is revealed that O'Neill and Carter may be victims of an untraceable form of Goa'uld mind control.
44 min
Window of Opportunity
O'Neill and Teal'c are caught in a time loop in the SGC, and must relive the same 10 hours over and over again.
44 min
Watergate
The Russians recover a Stargate from the bottom of the ocean, and turn to the SGC for help when their experiments go awry.
44 min
The First Ones
Dr. Jackson is taken captive by an Unas while on an archaeological dig. The SGC mounts a rescue operation, but discovers a danger of their own.
44 min
Scorched Earth
SG-1 is caught in a conflict between two civilizations trying to colonize the same planet.
44 min
Beneath the Surface
The members of SG-1 are used as forced labor in an underground alien facility after their memories are erased by the ruling elite.
44 min
Point of No Return
SG-1 investigates a conspiracy theorist who has detailed knowledge of the Stargate program.
44 min
Tangent
A test gone wrong leaves Jack and Teal'c marooned in space aboard a damaged prototype attack ship
44 min
The Curse
When his former mentor dies, Dr. Jackson returns to his roots -- and discovers an ancient Egyptian artifact containing a Goa'uld parasite.
44 min
The Serpent's Venom
SG-1 must stop Apophis and Heru-ur from forming an alliance of their powerful forces, while Teal'c is captured and tortured by the Goa'uld.
44 min
Chain Reaction
SG-1 must adjust to a new commanding officer when General Hammond steps down -- but O'Neill discovers foul play behind the general's resignation.
44 min
2010
Ten years into the future, the former members of SG-1 must send a message into the past to prevent the extinction of the human race.
44 min
Absolute Power
Jackson's teammates notice a disturbing change in him when he is reunited with the Harcesis child and given the Goa'uld genetic memory.
44 min
The Light
SG-1 finds a deserted Goa'uld palace, where a beautiful device causes suicidal tendencies.
44 min
Prodigy
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.
44 min
Entity
The SGC is invaded by an alien life force that takes up residence in the base computer system -- and in Major Carter.
44 min
Double Jeopardy
SG-1 must rescue an alien world from the Goa'uld -- with help from an unexpected source. Teal'c seeks revenge on the System Lord Cronus for the murder of his father.
44 min
Exodus (1)
SG-1 helps to evacuate the Tok'ra to a new base -- but matters are complicated when a spy reveals their location to Apophis. The team attempts a daring plan to take out the Goa'uld's powerful fleet.
44 min