A new Stargate team embarks on a dangerous mission to a distant galaxy, where they discover a mythical lost city -- a...

Sheppard tries to convince Weir to mount a rescue mission to free Colonel Sumner, Teyla, and the others captured by t...

The Atlantis base is threatened when the team discovers that an alien entity is in the city. McKay's experiment with ...

The team finds themselves in mortal danger when their Puddle Jumper ship becomes lodged in the Stargate.

After a series of run-ins with the Wraith, the team begins to suspect their Athosian allies of having a spy in their ...

Sheppard and the team visit a world where no one is over 24 years old -- because of a ritual suicide practice they be...

The team finds a world whose people are on the brink of a discovery that may make them immune to the Wraith feeding.

Efforts to open trade relations with a species called the Genii turn sour when the team discovers their new "allies" ...

McKay's efforts to harness the energy of an alien planet's atmosphere allows for a return trip to Earth -- but the te...

When a massive storm threatens the city, Atlantis is evacuated, only to be taken over by the team's newest enemy.

Major Sheppard plays a dangerous game of cat and mouse with soldiers who have seized control of Atlantis and taken We...

Sheppard's team investigates a downed Wraith ship, and find themselves stuck on a planet with a lone Wraith survivor.

Nearly a third of Atlantis's residents are infected with a deadly virus that causes hallucinations and death, forcing...

The team finds a paradise world that would make an ideal sanctuary for those fleeing from the Wraith, but the local i...

A woman is found in suspended animation in Atlantis, and the team is shocked to see that it is Dr. Weir herself, who ...

The team searches for a valuable Zero Point Module rumored to be hidden on the planet Dagan. But their new allies hav...

Given a brief opportunity to send a data transmission to Earth, members of the Atlantis expedition compose video mess...

Plagued by terrifying nightmares, Teyla begins to recall a time when she and her father were captured by the Wraith a...

With a group of Wraith hive ships on the way to Atlantis, the team searches for a place to flee and a way to destroy ...

All hope seems lost, until Colonel Everett arrives suddenly from Earth. He is determined to defend the city until the...