Stargate SG-1 (2000) Season 4
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. A warring alien race offers to exchange their advanced technology for Earth's help in defeating their enemy.
01 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.
6/30/2000
02 A warring alien race offers to exchange their advanced technology for Earth's help in defeating their enemy.
7/7/2000
03 A Tok'ra archaeologist arrives at the SGC with newly discovered technology, giving the SG-1 team superhuman powers.
7/14/2000
04 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.
7/21/2000
05 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.
7/28/2000
06 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.
8/4/2000
07 The Russians recover a Stargate from the bottom of the ocean, and turn to the SGC for help when their experiments go awry.
8/11/2000
08 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.
8/18/2000
09 SG-1 is caught in a conflict between two civilizations trying to colonize the same planet.
8/25/2000
10 The members of SG-1 are used as forced labor in an underground alien facility after their memories are erased by the ruling elite.
9/1/2000
11 SG-1 investigates a conspiracy theorist who has detailed knowledge of the Stargate program.
9/8/2000
12 A test gone wrong leaves Jack and Teal'c marooned in space aboard a damaged prototype attack ship
9/15/2000
13 When his former mentor dies, Dr. Jackson returns to his roots -- and discovers an ancient Egyptian artifact containing a Goa'uld parasite.
9/22/2000
14 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.
9/29/2000
15 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.
1/5/2001
16 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.
1/12/2001
17 Jackson's teammates notice a disturbing change in him when he is reunited with the Harcesis child and given the Goa'uld genetic memory.
1/19/2001
18 SG-1 finds a deserted Goa'uld palace, where a beautiful device causes suicidal tendencies.
1/26/2001
19 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.
2/2/2001
20 The SGC is invaded by an alien life force that takes up residence in the base computer system -- and in Major Carter.
2/9/2001
21 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.
2/16/2001
22 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.
2/23/2001
