The BEST Episodes of Stargate Atlantis
Every episode ever - ranked by fan votes!
Last Updated: Sep 18, 2021
Network: Syfy
The story of Stargate Atlantis follows the cliffhanger episode on Stargate SG-1's seventh season finale "Lost City", where SG-1 found an outpost made by the race known as the Ancients in Antarctica. After the events of Stargate SG-1 season eight premiere "New Order", the Stargate Command sends an international team to investigate the outpost. Soon, Dr. Daniel Jackson discovers the location of the greatest city created by the Ancients, Atlantis. The story unfolds when the members of the expedition encounter the Wraith, the race that defeated the Ancients ten thousand years ago.
#1 - Enemy at the Gate
Season 5 - Episode 20 - Aired Jan 9, 2009
The team learns that a rogue Wraith has acquired several Z.P.M.s to power a formidable new hive ship -- and he is headed for Earth.
8.07 
#2 - The Siege (3)
Season 2 - Episode 1 - Aired Jul 15, 2005
The Daedalus arrives to defend Atlantis from the Wraith onslaught, but it may not be enough when the team discovers that an even larger armada is on the way.
8.03 
#3 - Rising (1)
Season 1 - Episode 1 - Aired Jul 16, 2004
A new Stargate team embarks on a dangerous mission to a distant galaxy, where they discover a mythical lost city -- and a deadly new enemy.
8.02 
#4 - The Last Man (1)
Season 4 - Episode 20 - Aired Mar 7, 2008
Sheppard returns to Atlantis after a mission and finds the city abandoned, all systems dead -- and instead of ocean, sand dunes as far as the eye can see.
8.01 
#5 - Rising (2)
Season 1 - Episode 2 - Aired Jul 16, 2004
Sheppard tries to convince Weir to mount a rescue mission to free Colonel Sumner, Teyla, and the others captured by the Wraith.
7.99 
#6 - The Siege (2)
Season 1 - Episode 20 - Aired Mar 25, 2005
A new military contingent from Earth is sent to take command of Atlantis and defend it from the impending Wraith attack.
7.98 
#7 - Common Ground
Season 3 - Episode 7 - Aired Aug 25, 2006
Colonel Sheppard finds himself the prisoner of a Genii commander, along with a desperately hungry Wraith who has been separated from his hive.
7.98 
#8 - The Return (2)
Season 3 - Episode 11 - Aired Apr 13, 2007
The Atlantis team goes against orders to try and save Atlantis from Replicator control -- and to rescue General O'Neill and Richard Woolsey, who are trapped in the occupied city.
7.97 
#9 - Midway
Season 4 - Episode 17 - Aired Feb 15, 2008
Teal'c visits Atlantis to counsel a headstrong Ronon, who is up for review by the I.O.A. But the two must work together when the Wraith invade the Midway space station in order to reach Earth.
7.95 
#10 - Be All My Sins Remember'd (2)
Season 4 - Episode 11 - Aired Jan 4, 2008
With a plan to potentially extinguish the Replicator threat, the Atlantis team must seek an alliance with a fleet of Wraith ships.
7.94 
#11 - The Siege (1)
Season 1 - Episode 19 - Aired Mar 18, 2005
With a group of Wraith hive ships on the way to Atlantis, the team searches for a place to flee and a way to destroy the city. McKay leads a team to try and activate the Ancients' orbital weapons platform.
7.94 
#12 - First Strike (1)
Season 3 - Episode 20 - Aired Jun 22, 2007
An unstoppable energy weapon leaves Atlantis under siege after Earth launches a preemptive attack against a very powerful enemy's homeworld.
7.94 
#13 - The Eye (2)
Season 1 - Episode 11 - Aired Jan 21, 2005
Major Sheppard plays a dangerous game of cat and mouse with soldiers who have seized control of Atlantis and taken Weir and McKay hostage.
7.92 
#14 - First Contact (1)
Season 5 - Episode 10 - Aired Sep 26, 2008
When Daniel Jackson visits Atlantis, he and Dr. McKay discover a hidden lab that brings a new enemy knocking. The Daedalus welcomes a Wraith ally for a special project.
7.91 
#15 - The Lost Tribe (2)
Season 5 - Episode 11 - Aired Oct 10, 2008
Sheppard races to an Ancient laboratory to save McKay and Daniel Jackson before Todd arrives to destroy a weapon that has a devastating side-effect. Daniel uncovers the identity of the hostile new species.
7.84 
#16 - Allies (1)
Season 2 - Episode 20 - Aired Jan 30, 2006
Michael and his Wraith faction arrive at Atlantis to propose an alliance, hoping to use the retrovirus to transform their Wraith enemies into prey.
7.83 
#17 - The Shrine
Season 5 - Episode 6 - Aired Aug 22, 2008
Rodney McKay is stricken with a mental affliction that robs him of his knowledge and memories, causing him to revert to a childlike state.
7.82 
#18 - The Daedalus Variations
Season 5 - Episode 4 - Aired Aug 1, 2008
The team boards the Daedalus when it shows up abandoned in orbit, only to find themselves skipping through parallel universes.
7.82 
#19 - Brain Storm
Season 5 - Episode 16 - Aired Nov 21, 2008
Rodney returns to Earth with Jennifer to witness the triumph of his rival, who believes he has solved the problem of global warming. But when the new technology goes horribly awry, Rodney must help shut down the deadly weather device.
7.81 
#20 - Tao of Rodney
Season 3 - Episode 14 - Aired May 4, 2007
After an Ancient device gives Rodney superhuman powers, his enhanced brilliance is checked only by his impending death -- unless he can learn how to ascend.
7.80 
#21 - Aurora
Season 2 - Episode 9 - Aired Sep 23, 2005
When the team finds an Ancient warship adrift on the edge of the galaxy, its crew still alive, Colonel Sheppard enters their virtual reality stasis to communicate with them.
7.78 
#22 - Lifeline (3)
Season 4 - Episode 2 - Aired Oct 5, 2007
Colonel Sheppard and his team embark on a risky mission to steal a Z.P.M. power module from the Replicators -- but must rely on a compromised Dr. Weir to succeed.
7.78 
#23 - Before I Sleep
Season 1 - Episode 15 - Aired Feb 18, 2005
A woman is found in suspended animation in Atlantis, and the team is shocked to see that it is Dr. Weir herself, who tells them of her trip 10,000 years into the city's past.
7.78 
#24 - Adrift (2)
Season 4 - Episode 1 - Aired Sep 28, 2007
Floating in deep space with the city's protective shield failing, the team must do all they can to keep Atlantis alive. A radical injury threatens Dr. Weir's life.
7.77 
#25 - Sunday
Season 3 - Episode 17 - Aired Jun 1, 2007
The team tries to relax during a mandatory day off, until an explosion leaves three people dead -- and reveals that one scientist is a walking time bomb.
7.76