Stargate Atlantis Season 2

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The Siege (3)
4.5
13 votes
2x01 The Siege (3) aired 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.

The Intruder
3.6
14 votes
2x02 The Intruder aired Jul 22, 2005

The Daedalus is infected by a Wraith computer virus, while members of the expedition hope to return to Earth.

Runner
3.8
14 votes
2x03 Runner aired 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.

Duet
3.8
16 votes
2x04 Duet aired Aug 05, 2005

A run-in with a Wraith Dart leaves the consciousness of a precocious Atlantis security officer trapped in Dr. McKay's mind.

Condemned
3.6
13 votes
2x05 Condemned aired 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 th... read more

Trinity
3.5
15 votes
2x06 Trinity aired 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... read more

Instinct
3.6
14 votes
2x07 Instinct aired 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.

Conversion
3.6
14 votes
2x08 Conversion aired Sep 09, 2005

Colonel Sheppard begins to undergo a disturbing physical transformation after being exposed to Beckett's anti-Wraith drug.

Aurora
4
14 votes
2x09 Aurora aired 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 commun... read more

The Lost Boys (1)
3.9
14 votes
2x10 The Lost Boys (1) aired 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 he... read more

The Hive (2)
4
15 votes
2x11 The Hive (2) aired Nov 21, 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.

Epiphany
3.7
15 votes
2x12 Epiphany aired 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.

Critical Mass
3.4
14 votes
2x13 Critical Mass aired Dec 05, 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.

Grace Under Pressure
3.6
16 votes
2x14 Grace Under Pressure aired Dec 12, 2005

When Dr. McKay is trapped underwater in a sinking Puddle Jumper, his only chance for survival may be an hallucination of Samantha Carter.

The Tower
3.3
13 votes
2x15 The Tower aired 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.

The Long Goodbye
3.4
14 votes
2x16 The Long Goodbye aired Jan 02, 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.

Coup D'Etat
3.9
14 votes
2x17 Coup D'Etat aired Jan 09, 2006

After a team from Atlantis goes missing, the expedition finds itself in the middle of a Genii coup.

Michael
3.9
14 votes
2x18 Michael aired 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.

Inferno
3.9
14 votes
2x19 Inferno aired 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.

Allies (1)
4.1
13 votes
2x20 Allies (1) aired 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.

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