Stargate Atlantis

Season 3

TV-PG

92%

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.

Where to Watch Season 3

20 Episodes

No Man's Land (2)
E1
No Man's Land (2)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.
Misbegotten (3)
E2
Misbegotten (3)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.
Irresistible
E3
IrresistibleSheppard'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.
Sateda
E4
SatedaRonon 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.
Progeny
E5
ProgenyWeir 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.
The Real World
E6
The Real WorldElizabeth Weir wakes up in a mental institution, where she is told that the expedition to Atlantis and the Stargate are figments of her imagination.
Common Ground
E7
Common GroundColonel Sheppard finds himself the prisoner of a Genii commander, along with a desperately hungry Wraith who has been separated from his hive.
McKay and Mrs. Miller
E8
McKay and Mrs. MillerRodney McKay is reunited with his estranged sister back on Earth, who has given up a brilliant career as a scientist to raise a family.
Phantoms
E9
PhantomsSheppard and Ronon are influenced by a mind-altering device created by the Wraith while on a mission to rescue a lost team.
The Return (1)
E10
The Return (1)The Atlantis expedition is stunned to learn that a ship full of Ancients is returning to reclaim their lost city.
The Return (2)
E11
The Return (2)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.
Echoes
E12
EchoesThe 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.
Irresponsible
E13
IrresponsibleThe team finds Lucius Lavin manipulating the people of another hapless planet, using Ancient technology to pose as an invincible hero.
Tao of Rodney
E14
Tao of RodneyAfter a time when the Ancients have been shortly living in Atlantis, they have activated a whole bunch of equipment and devices. The Atlantis researchers team is walking around the city to shut it all down again. Suddenly they discover an old research terminal and McKay is going to try to shut it down. Although that does not quite happen like it should.
The Game
E15
The GameSheppard and McKay discover that their competitive video game has been controlling a planet of real people, who now stand on the brink of war.
The Ark
E16
The ArkThe team discovers the last of a civilization in suspended animation, whose survival is at risk when their station is critically damaged.
Sunday
E17
SundayThe 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.
Submersion
E18
SubmersionThe team discovers an Ancient drilling station deep beneath the surface of the ocean, only to find that a Wraith queen is still alive there.
Vengeance
E19
VengeanceAfter losing contact with the new Taranin (the people rescued by the Atlantis team when a super volcano threatened to destroy their planet) settlement, Sheppard's team leaves to investigate. Finding the town deserted, they move to investigate an extensive subterranean tunnel system. What they find there holds dark tidings for the entire Pegasus Galaxy.
First Strike (1)
E20
First Strike (1)An unstoppable energy weapon leaves Atlantis under siege after Earth launches a preemptive attack against a very powerful enemy's homeworld.