第 2 季 共 20 集
播出时间:2005年7月16日
第 1 集 The Siege (3)
播出时间:2005年7月16日
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.
第 2 集 The Intruder
播出时间:2005年7月23日
The Daedalus is infected by a Wraith computer virus, while members of the expedition hope to return to Earth.
第 3 集 Runner
播出时间:2005年7月30日
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.
第 4 集 Duet
播出时间:2005年8月6日
A run-in with a Wraith Dart leaves the consciousness of a precocious Atlantis security officer trapped in Dr. McKay's mind.
第 5 集 Condemned
播出时间:2005年8月13日
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.
第 6 集 Trinity
播出时间:2005年8月20日
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.
第 7 集 Instinct
播出时间:2005年8月27日
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.
第 8 集 Conversion
播出时间:2005年9月10日
Colonel Sheppard begins to undergo a disturbing physical transformation after being exposed to Beckett's anti-Wraith drug.
第 9 集 Aurora
播出时间:2005年9月24日
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.
第 10 集 The Lost Boys (1)
播出时间:2005年9月24日
The team is captured by the missing Lieutenant Ford, who is now leading a group of young men<br />
<br />
who are taking the Wraith enzyme -- and who wants the team's help in a suicide attack against a hive ship.
第 11 集 The Hive (2)
播出时间:2005年11月17日
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.
第 12 集 Epiphany
播出时间:2005年11月29日
Sheppard finds himself on a planet where time passes more rapidly, with no way to contact his team or return to Atlantis.
第 13 集 Critical Mass
播出时间:2005年12月6日
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.
第 14 集 Grace Under Pressure
播出时间:2005年12月11日
When Dr. McKay is trapped underwater in a sinking Puddle Jumper, his only chance for survival may be an hallucination of Samantha Carter.
第 15 集 The Tower
播出时间:2005年12月20日
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.
第 16 集 The Long Goodbye
播出时间:2006年1月3日
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.
第 17 集 Coup D'etat
播出时间:2006年1月10日
After a team from Atlantis goes missing, the expedition finds itself in the middle of a Genii coup.
第 18 集 Michael
播出时间:2006年1月17日
An amnesiac young Lieutenant in Atlantis suffers from disturbing nightmares that he is a Wraith, only to make a shocking discovery about himself.
第 19 集 Inferno
播出时间:2006年1月24日
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.
第 20 集 Allies (1)
播出时间:2006年1月31日
Michael and his Wraith faction arrive at Atlantis to propose an alliance, hoping to use the retrovirus to transform their Wraith enemies into prey.