As of July 2026, Stargate SG-1 Season 4 aired in 2000 with 22 episodes — streaming now on Netflix. Full episode guide and where to watch below.
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Stargate SG-1 Season 4

2000 22 Episodes Sci-Fi & Fantasy · Action & Adventure ⭐ 8/10

Stargate SG-1 Season 4 has built a real following on and among viewers who want their sci-fi to think as hard as it looks. Across 1 season, the show has had time to find its rhythm and keep it. With 1,849 viewer ratings on TMDB, this is not a title flying under the radar. Richard Dean Anderson leads a cast that never lets the concept overwhelm the characters. There is no real reason to keep putting it off.

Stargate SG-1 Season 4 is not trying to be everything to everyone, and that focus is exactly what makes it work. The world-building is meticulous, but it is the characters who carry Stargate SG-1 Season 4 through its more ambitious moments. 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. Richard Dean Anderson and Amanda Tapping lead a cast that brings real weight to the material. It was aired in 2000. Stargate SG-1 Season 4 resists the temptation to explain everything, trusting the audience to sit with ambiguity. The hit rate here is high enough that skipping ahead never feels like an option.

Sci-fi fans who want ideas alongside the spectacle will find Stargate SG-1 Season 4 genuinely rewarding. It stands on its own even without an obvious comparison point. The complete run is available and best experienced without too much prior knowledge of where it goes. Richard Dean Anderson grounds the bigger ideas in something human. Once you are in, you will want to talk about it.

📡 Where to Watch Stargate SG-1 Season 4

🇦🇺 Australia
🇺🇸 United States
🇬🇧 United Kingdom
🇨🇦 Canada
🇳🇿 New Zealand
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🎬 Stargate SG-1 Season 4 — Episode Guide

E1
Small Victories (2)
2000-06-30
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.
E2
The Other Side
2000-07-07
A warring alien race offers to exchange their advanced technology for Earth's help in defeating their enemy.
E3
Upgrades
2000-07-14
A Tok'ra archaeologist arrives at the SGC with newly discovered technology, giving the SG-1 team superhuman powers.
E4
Crossroads
2000-07-21
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.
E5
Divide and Conquer
2000-07-28
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.
E6
Window of Opportunity
2000-08-04
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.
E7
Watergate
2000-08-11
The Russians recover a Stargate from the bottom of the ocean, and turn to the SGC for help when their experiments go awry.
E8
The First Ones
2000-08-18
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.
E9
Scorched Earth
2000-08-25
SG-1 is caught in a conflict between two civilizations trying to colonize the same planet.
E10
Beneath the Surface
2000-09-01
The members of SG-1 are used as forced labor in an underground alien facility after their memories are erased by the ruling elite.
E11
Point of No Return
2000-09-08
SG-1 investigates a conspiracy theorist who has detailed knowledge of the Stargate program.
E12
Tangent
2000-09-15
A test gone wrong leaves Jack and Teal'c marooned in space aboard a damaged prototype attack ship
E13
The Curse
2000-09-22
When his former mentor dies, Dr. Jackson returns to his roots -- and discovers an ancient Egyptian artifact containing a Goa'uld parasite.
E14
The Serpent's Venom
2000-09-29
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.
E15
Chain Reaction
2001-01-05
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.
E16
2010
2001-01-12
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.
E17
Absolute Power
2001-01-19
Jackson's teammates notice a disturbing change in him when he is reunited with the Harcesis child and given the Goa'uld genetic memory.
E18
The Light
2001-01-26
SG-1 finds a deserted Goa'uld palace, where a beautiful device causes suicidal tendencies.
E19
Prodigy
2001-02-02
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.
E20
Entity
2001-02-09
The SGC is invaded by an alien life force that takes up residence in the base computer system -- and in Major Carter.

🎭 Cast of Stargate SG-1 Season 4

Richard Dean Anderson
Richard Dean Anderson
Jack O'Neill
Amanda Tapping
Amanda Tapping
Samantha Carter
Christopher Judge
Christopher Judge
Teal'c
Michael Shanks
Michael Shanks
Daniel Jackson
Don S. Davis
Don S. Davis
George Hammond

📋 All Seasons of Stargate SG-1

Season 1Season 2Season 3Season 5Season 6Season 7Season 8Season 9

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