1: The Siege (3)
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.
Season 2
Stargate Atlantis
20 EPISODES • 2005
As the Wraith threat intensifies, the team strives to find ways to defend Atlantis and the Pegasus Galaxy from impending invasion. Key episodes focus on breakthroughs in ancient technology, dangerous alliances, and a desperate search for a means to stop their enemies once and for all.Episodes
2: The Intruder
Jul 22, 2005
The Daedalus is infected by a Wraith computer virus, while members of the expedition hope to return to Earth.
3: Runner
Jul 29, 2005
Sheppard and his team attempt to locate Lieutenant Ford, only to find themselves captives of a former soldier who is being hunted by the Wraith.
4: Duet
Aug 5, 2005
A run-in with a Wraith Dart leaves the consciousness of a precocious Atlantis security officer trapped in Dr. McKay's mind.
5: Condemned
Aug 12, 2005
The Atlantis team finds a culture that lives in relative safety from the Wraith, because they hand over their criminals to the Wraith -- and crash-land in the volatile penal colony.
6: Trinity
Aug 19, 2005
McKay puts the team at risk when he tries to perfect unfinished Ancient technology that wiped out a civilization. Ronon Dex discovers that he is not the lone survivor from his world.
7: Instinct
Aug 26, 2005
The team discovers a young Wraith girl who has been raised by a human, and is in hiding from the people of her human village in fear of her life.
8: Conversion
Sep 9, 2005
Colonel Sheppard begins to undergo a disturbing physical transformation after being exposed to Beckett's anti-Wraith drug.
9: Aurora
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.
10: The Lost Boys (1)
Sep 23, 2005
The team is captured by the missing Lieutenant Ford, who is now leading a group of young men who are taking the Wraith enzyme -- and who wants the team's help in a suicide attack against a hive ship.
11: The Hive (2)
Nov 16, 2005
Colonel Sheppard and his team find themselves prisoners of the Wraith following Ford's attack on a hive ship. Dr. McKay goes to great lengths to help them.
12: Epiphany
Nov 28, 2005
Sheppard finds himself on a planet where time passes more rapidly, with no way to contact his team or return to Atlantis.
13: Critical Mass
Dec 5, 2005
When an operative of the Trust plants a bomb in Atlantis, the team must find a spy within their own ranks before the Wraith arrive and discover the city.
14: Grace Under Pressure
Dec 10, 2005
When Dr. McKay is trapped underwater in a sinking Puddle Jumper, his only chance for survival may be an hallucination of Samantha Carter.
15: The Tower
Dec 19, 2005
The team finds a world that possesses Ancient defense technology, where Colonel Sheppard finds himself a pawn in the rivalry between the heirs to the throne.
16: The Long Goodbye
Jan 2, 2006
The team discovers two pods that contain the minds of alien beings, who take control of Weir and Sheppard's bodies to continue their personal war.
17: Coup D'etat
Jan 9, 2006
After a team from Atlantis goes missing, the expedition finds itself in the middle of a Genii coup.
18: Michael
Jan 16, 2006
An amnesiac young Lieutenant in Atlantis suffers from disturbing nightmares that he is a Wraith, only to make a shocking discovery about himself.
19: Inferno
Jan 23, 2006
Sheppard's team meets a civilization about to be destroyed by a super-volcano, and is trapped there when the Stargate is destroyed during the evacuation.
20: Allies (1)
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.
Season 3
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