9.4/102,964 votesLoading...#1 - Window of Opportunity
Season 4 Episode 6 - Aired 8/4/2000
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.
Director: Peter DeLuise
Writer: Joseph Mallozzi, Paul Mullie
9.4/101,750 votesLoading...#2 - Lost City (2)
Season 7 Episode 22 - Aired 3/19/2004
Anubis begins a systematic assault on Earth, and the planet's only hope of salvation depends on whether SG-1 can find the Ancients' mythical Lost City.
Director: Martin Wood
Writer: Robert C. Cooper, Brad Wright
9.1/101,968 votesLoading...#3 - The Fifth Race
Season 2 Episode 15 - Aired 1/22/1999
O'Neill becomes the unwilling receptacle for a library of alien knowledge.
Director: David Warry-Smith
Writer: Robert C. Cooper
8.9/101,458 votesLoading...#4 - Lost City (1)
Season 7 Episode 21 - Aired 3/12/2004
O'Neill goes to great lengths to keep the Ancients' knowledge from falling into Goa'uld hands when the team discovers a second repository. The President replaces General Hammond with a civilian diplomat.
Director: Martin Wood
Writer: Robert C. Cooper, Brad Wright
8.9/101,206 votesLoading...#5 - Reckoning (2)
Season 8 Episode 17 - Aired 3/4/2005
The fate of the galaxy hangs in the balance as Sam and Jacob search for the only weapon capable of stopping the Replicator onslaught. O'Neill leads a defense of the S.G.C., while Daniel squares off against Replicator Carter.
Director: Peter DeLuise
Writer: Damian Kindler
8.9/101,344 votesLoading...#6 - The Pegasus Project
Season 10 Episode 3 - Aired 7/28/2006
Daniel and Vala travel to Atlantis in search of Merlin's anti-Ori weapon, while Sam, and Mitchell join forces with Dr. McKay to lock out the Ori supergate.
Director: William Waring
Writer: Brad Wright
8.9/101,892 votesLoading...#7 - Unending
Season 10 Episode 20 - Aired 6/22/2007
Trapped on board the Odyssey, the members of SG-1 must live out the rest of their lives together when Carter activates a time dilation field to save the ship from destruction.
Director: Robert C. Cooper
Writer: Robert C. Cooper
8.8/101,630 votesLoading...#8 - Heroes (2)
Season 7 Episode 18 - Aired 2/20/2004
SG-1 is called into action while a film crew is documenting the Stargate program, but the S.G.C. comes under investigation after the mission goes terribly wrong.
Director: Andy Mikita
Writer: Robert C. Cooper
8.7/101,798 votesLoading...#9 - 1969
Season 2 Episode 21 - Aired 3/5/1999
A cosmic accident causes SG-1 to be sent back 30 years into Earth's past, where they must locate the Stargate and find a way home.
Director: Charles Correll
Writer: Brad Wright
8.7/101,390 votesLoading...#10 - Nemesis (1)
Season 3 Episode 22 - Aired 3/10/2000
SG-1 faces creatures of mass destruction that even the Asgard can't control, and must destroy Thor's infested vessel before the Replicator bugs reach Earth.
Director: Martin Wood
Writer: Robert C. Cooper
8.7/101,241 votesLoading...#11 - Full Circle
Season 6 Episode 22 - Aired 3/21/2003
SG-1 is called to defend the people of Abydos from the Goa'uld once again when they learn that Anubis, in search of a powerful device, is about to attack.
Director: Martin Wood
Writer: Robert C. Cooper
8.7/101,191 votesLoading...#12 - New Order (2)
Season 8 Episode 2 - Aired 7/9/2004
While the Goa'uld threaten to attack Earth, SG-1 and the Asgard make a last, desperate stand against the Replicators, which have captured Major Carter and invaded the last outpost of the Asgard civilization.
Director: Andy Mikita
Writer: Robert C. Cooper
8.7/101,307 votesLoading...#13 - Threads
Season 8 Episode 18 - Aired 3/11/2005
While Daniel finds himself in a mysterious diner suspended between death and ascension, Jacob's fate takes an unexpected turn, Jack and Sam consider their romantic lives, and Anubis unleashes his plan for galactic destruction.
Director: Andy Mikita
Writer: Robert C. Cooper
8.6/101,732 votesLoading...#14 - Tin Man
Season 1 Episode 19 - Aired 2/13/1998
The members of SG-1 arrive on P3X-989 and are knocked unconscious. They wake up and return to Earth only to find that they are not quite themselves.
Director: Jim Kaufman
Writer: Jeff King
8.6/101,616 votesLoading...#15 - The Serpent's Lair (3)
Season 2 Episode 1 - Aired 6/26/1998
With SG-1 trapped on Klorel's ship, it seems that Earth is doomed as the Pyramid Ships prepare to destroy Earth.
Director: Jonathan Glassner
Writer: Brad Wright
8.6/101,570 votesLoading...#16 - A Matter of Time
Season 2 Episode 16 - Aired 1/29/1999
After gating to a world on the edge of a black hole, the S.G.C. cannot disengage the Stargate. All of Earth becomes endangered by the time-distorting gravity field.
Director: Martin Wood, Jim Kaufman
Writer: Brad Wright, Misha Rashovich
8.6/101,521 votesLoading...#17 - 2010
Season 4 Episode 16 - Aired 1/12/2001
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.
Director: Andy Mikita
Writer: Brad Wright
8.6/101,288 votesLoading...#18 - Unnatural Selection (2)
Season 6 Episode 12 - Aired 1/10/2003
The team is called into battle unexpectedly when the Asgard homeworld is overrun by Replicators -- which have evolved into a startling new form.
Director: Andy Mikita
Writer: Robert C. Cooper, Brad Wright
8.6/101,107 votesLoading...#19 - The Quest (2)
Season 10 Episode 11 - Aired 4/13/2007
When the team finds Merlin himself, they must help him complete the Sangraal weapon before Adria and her Ori forces can track them down.
Director: Andy Mikita
Writer: Joseph Mallozzi, Paul Mullie
8.6/101,161 votesLoading...#20 - The Shroud
Season 10 Episode 14 - Aired 5/4/2007
When SG-1 discovers that Daniel Jackson has been turned into a Prior of the Ori, they must determine whether or not his plan to destroy the Ori is genuine.
Director: Andy Mikita
Writer: Robert C. Cooper
8.5/101,387 votesLoading...#21 - Small Victories (2)
Season 4 Episode 1 - Aired 6/30/2000
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.
Director: Martin Wood
Writer: Robert C. Cooper
8.5/101,219 votesLoading...#22 - Revelations
Season 5 Episode 22 - Aired 5/17/2002
SG-1 must come to the rescue of their once-powerful allies when the Goa'uld attack a secret Asgard laboratory.
Director: Martin Wood
Writer: Joseph Mallozzi, Paul Mullie
8.5/101,219 votesLoading...#23 - New Order (1)
Season 8 Episode 1 - Aired 7/9/2004
Carter and Teal'c go in search of the Asgard to try and save Colonel O'Neill, but discover that the Asgard's enemy has returned with a vengeance. The System Lords seek an alliance with Earth against a common enemy.
Director: Andy Mikita
Writer: Robert C. Cooper, Joseph Mallozzi, Paul Mullie
8.5/101,118 votesLoading...#24 - Reckoning (1)
Season 8 Episode 16 - Aired 2/25/2005
The Replicators begin a systematic attack of the Goa'uld, forcing Baal to come to Earth for help. The Jaffa Resistance risk their entire movement in an attempt to retake a holy city in Baal's domain.
Director: Peter DeLuise
Writer: Damian Kindler
8.5/101,120 votesLoading...#25 - Camelot
Season 9 Episode 20 - Aired 3/10/2006
SG-1 discovers the village of Camelot on an alien world, and must face Merlin's security system when they go in search of an Ancient weapon. Elsewhere, Earth and its allies assemble a fleet when a working Ori Supergate is discovered.
Director: Martin Wood
Writer: Joseph Mallozzi, Paul Mullie
The Best Episodes of Stargate SG-1
Every episode of Stargate SG-1 ranked from best to worst. Let's dive into the Best Episodes of Stargate SG-1!
The story of Stargate SG-1 begins about a year after the events of the feature film, when the United States government learns that an ancient...
Genres:Sci-Fi & FantasyAction & AdventureMystery
Best Episodes Summary
"Window of Opportunity" is the best rated episode of "Stargate SG-1". It scored 9.4/10 based on 2964 votes. Directed by Peter DeLuise and written by Joseph Mallozzi, Paul Mullie, it aired on 8/4/2000. This episode scored 0.0 points higher than the second highest rated, "Lost City (2)".