Season 1 Episodes

Episode Guide

The Siege, Part 2

Season 1, Episode 20 - Air Date: 3/25/2005
A new military contingent from Earth is sent to take command of Atlantis and defend it from the impending Wraith attack.
Episode Guide

The Siege, Part 1

Season 1, Episode 19 - Air Date: 3/18/2005
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 the city.
Episode Guide

The Gift

Season 1, Episode 18 - Air Date: 3/11/2005
Plagued by terrifying nightmares, Teyla begins to recall a time when she and her father were captured by the Wraith and subjected to disturbing experiments.
Episode Guide

Letters from Pegasus

Season 1, Episode 17 - Air Date: 3/4/2005
With a brief opportunity to send a data transmission to Earth, members of the Atlantis expedition compose video messages home to their loved ones.
Episode Guide

The Brotherhood

Season 1, Episode 16 - Air Date: 2/25/2005
The team searches for a valuable Zero Point Module rumored to be hidden on the planet Dagan -- but their new allies have motives of their own.
Episode Guide

Before I Sleep

Season 1, Episode 15 - Air Date: 2/18/2005
A woman is found in suspended animation in Atlantis, and the team is shocked to see that it is Dr. Weir herself, who tells them of her trip 10,000 years into the city's past.
Episode Guide


Season 1, Episode 14 - Air Date: 2/11/2005
The team finds a paradise world that would make an ideal sanctuary for those fleeing from the Wraith, but the local inhabitants believe their goddess will not permit it.
Episode Guide

Hot Zone

Season 1, Episode 13 - Air Date: 2/4/2005
Nearly a third of Atlantis's residents are infected with a deadly virus that causes hallucinations and death, forcing a lockdown of the city.
Episode Guide

The Defiant One

Season 1, Episode 12 - Air Date: 1/28/2005
Sheppard's team investigates a downed Wraith ship, and find themselves stuck on a planet with a lone Wraith survivor.
Episode Guide

The Eye (2)

Season 1, Episode 11 - Air Date: 1/21/2005
Major Sheppard plays a dangerous game of cat and mouse with soldiers who have seized control of Atlantis and taken Weir and McKay hostage.
Episode Guide

The Storm (1)

Season 1, Episode 10 - Air Date: 9/17/2004
When a massive storm threatens the city, Atlantis is evacuated -- only to be taken over by the team's newest enemy.
Episode Guide


Season 1, Episode 9 - Air Date: 9/10/2004
McKay's efforts to harness the energy of an alien planet's atmosphere allows for a return trip to Earth -- but the team may not be able to return to Atlantis.
Episode Guide


Season 1, Episode 8 - Air Date: 8/27/2004
Efforts to open trade relations with a species called the Genii turn sour when the team discovers their new "allies" have ulterior motives.
Episode Guide

Poisoning the Well

Season 1, Episode 7 - Air Date: 8/20/2004
The team finds a world whose people are on the brink of a discovery that may make them immune to the Wraith feeding.
Episode Guide

Childhood's End

Season 1, Episode 6 - Air Date: 8/13/2004
Sheppard and the team visit a world where no one is over 24 years old -- because of a ritual suicide practice they believe keeps the Wraith at bay.
Episode Guide


Season 1, Episode 5 - Air Date: 8/6/2004
After a series of run-ins with the Wraith, the team begins to suspect their Athosian allies of having a spy in their midst.
Episode Guide

Thirty-Eight Minutes

Season 1, Episode 4 - Air Date: 7/30/2004
The team finds themselves in mortal danger when their Puddle Jumper ship becomes lodged in the Stargate.
Episode Guide

Hide and Seek

Season 1, Episode 3 - Air Date: 7/23/2004
The Atlantis base is threatened when the team discovers that an alien entity is in the city. McKay's experiment with alien technology goes awry.
Episode Guide

Rising, Part 2

Season 1, Episode 2 - Air Date: 7/16/2004
Sheppard tries to convince Weir to mount a rescue mission to free Colonel Sumner, Teyla, and the others captured by the Wraith.
Episode Guide

Rising, Part 1

Season 1, Episode 1 - Air Date: 7/16/2004
A new Stargate team embarks on a dangerous mission to a distant galaxy, where they discover a mythical lost city -- and a deadly new enemy.