With the Ancients' city of Atlantis discovered in the Pegasus Galaxy by Stargate Command, Dr. Elizabeth Weir and Major Sheppard lead a scientific expedition to the ancient abandoned city. Once there, the team not only find themselves unable to contact Earth, but their explorations unexpectedly reawaken the Ancients' deadly enemies, The Wraith, who hunger for this new prey. Now with the help of newfound local allies like Teyla Emmagan, the Atlantis Team sets about to uncover their new home's secrets even as their war of survival against the Wraith begins.
Showing Season 3 of 6
Season 3
2006
The team faces escalating conflicts with both old and new adversaries, including the Wraith and a deadly new faction. The discovery of a potential game-changing technology introduces new ethical dilemmas, while relationships within the team are tested under growing pressures.
01. No Man's Land (2)
2006-07-13
The team desperately attempts to stop two Wraith hive ships from reaching Earth. Sheppard must rely on an old foe to rescue McKay and Ronon.
02. Misbegotten (3)
2006-07-20
The Atlantis team must decide the fate of a colony of Wraith they have turned into humans. Dr. Weir must defend her leadership when she is evaluated by the I.O.A.
03. Irresistible
2006-07-27
Sheppard's team meets an obnoxious man who is adored by all thanks to a secret that he carries -- and who has an unexpected affect on them.
04. Sateda
2006-08-03
Ronon Dex is captured by the Wraith and returned to his homeworld, where he is haunted by his past as he is forced to once again become their prey.
05. Progeny
2006-08-10
Weir and the team visit an advanced civilization that split off from the Lanteans thousands of years ago, but discover that they may not have left Atlantis in peace.
06. The Real World
2006-08-17
Elizabeth Weir wakes up in a mental institution, where she is told that the expedition to Atlantis and the Stargate are figments of her imagination.
07. Common Ground
2006-08-24
Colonel Sheppard finds himself the prisoner of a Genii commander, along with a desperately hungry Wraith who has been separated from his hive.
08. McKay and Mrs. Miller
2006-09-07
Rodney McKay is reunited with his estranged sister back on Earth, who has given up a brilliant career as a scientist to raise a family.
09. Phantoms
2006-09-14
Sheppard and Ronon are influenced by a mind-altering device created by the Wraith while on a mission to rescue a lost team.
10. The Return (1)
2006-09-21
The Atlantis expedition is stunned to learn that a ship full of Ancients is returning to reclaim their lost city.
11. The Return (2)
2006-11-19
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.
12. Echoes
2006-11-26
The inhabitants of Atlantis begin to suffer ill effects when the planet's whale population begins migrating to the island city, bringing an unexpected harbinger of doom.
13. Irresponsible
2006-12-03
The team finds Lucius Lavin manipulating the people of another hapless planet, using Ancient technology to pose as an invincible hero.
14. Tao of Rodney
2006-12-10
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.
15. The Game
2006-12-17
Sheppard and McKay discover that their competitive video game has been controlling a planet of real people, who now stand on the brink of war.
16. The Ark
2007-01-07
The team discovers the last of a civilization in suspended animation, whose survival is at risk when their station is critically damaged.
17. Sunday
2007-01-11
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.
18. Submersion
2007-01-14
The team discovers an Ancient drilling station deep beneath the surface of the ocean, only to find that a Wraith queen is still alive there.
19. Vengeance
2007-01-28
The Atlantis team investigates the disappearance of one of their allies, only to find an old enemy engineering a race of powerful monsters.
20. First Strike (1)
2007-02-04
An unstoppable energy weapon leaves Atlantis under siege after Earth launches a preemptive attack against a very powerful enemy's homeworld.
