Season 3

2006 · 20 episodes · 14h 10m in all · 7.8/10

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.

1. No Man's Land (2)
13 Jul 2006 · 43 min · 8.4/10
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.
2. Misbegotten (3)
20 Jul 2006 · 44 min · 7.6/10
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.
3. Irresistible
27 Jul 2006 · 42 min · 6.6/10
Sheppard's team meets an obnoxious man who is adored by all thanks to a secret that he carries -- and who has an unexpected effect on them.
4. Sateda
3 Aug 2006 · 42 min · 7.9/10
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.
5. Progeny
10 Aug 2006 · 44 min · 7.8/10
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.
6. The Real World
17 Aug 2006 · 42 min · 7.0/10
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.
7. Common Ground
24 Aug 2006 · 42 min · 8.5/10
Colonel Sheppard finds himself the prisoner of a Genii commander, along with a desperately hungry Wraith who has been separated from his hive.
8. McKay and Mrs. Miller
7 Sept 2006 · 44 min · 8.3/10
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.
9. Phantoms
14 Sept 2006 · 42 min · 7.5/10
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)
21 Sept 2006 · 42 min · 8.1/10
The Atlantis expedition is stunned to learn that a ship full of Ancients is returning to reclaim their lost city.
11. The Return (2)
19 Nov 2006 · 42 min · 8.3/10
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
26 Nov 2006 · 42 min · 7.6/10
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
3 Dec 2006 · 42 min · 6.8/10
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
10 Dec 2006 · 43 min · 8.3/10
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
17 Dec 2006 · 42 min · 7.7/10
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
7 Jan 2007 · 42 min · 7.3/10
The team discovers the last of a civilization in suspended animation, whose survival is at risk when their station is critically damaged.
17. Sunday
11 Jan 2007 · 42 min · 8.0/10
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
14 Jan 2007 · 42 min · 7.6/10
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
28 Jan 2007 · 44 min · 7.6/10
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)
4 Feb 2007 · 42 min · 8.5/10
An unstoppable energy weapon leaves Atlantis under siege after Earth launches a preemptive attack against a very powerful enemy's homeworld.