
Stargate Atlantis — Season 1
A new gate will open. A lost city will rise again.
About this season
The Atlantis expedition team, led by Dr. Elizabeth Weir, arrives in the Pegasus Galaxy and discovers the lost city of Atlantis. They encounter a powerful new enemy, the Wraith, and face various challenges to protect their new home while exploring the galaxy and seeking new allies.
Episodes (20)

1. Rising (1)
8.2Aired 15 July 2004 • 45 min
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.

2. Rising (2)
8.0Aired 15 July 2004 • 41 min
Sheppard tries to convince Weir to mount a rescue mission to free Colonel Sumner, Teyla, and the others captured by the Wraith.

3. Hide and Seek
7.1Aired 23 July 2004 • 44 min
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.

4. Thirty Eight Minutes
7.3Aired 30 July 2004 • 44 min
The team finds themselves in mortal danger when their Puddle Jumper ship becomes lodged in the Stargate.

5. Suspicion
7.0Aired 6 August 2004 • 48 min
After a series of run-ins with the Wraith, the team begins to suspect their Athosian allies of having a spy in their midst.

6. Childhood's End
6.4Aired 13 August 2004 • 44 min
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.

7. Poisoning the Well
7.4Aired 20 August 2004 • 42 min
The team finds a world whose people are on the brink of a discovery that may make them immune to the Wraith feeding.

8. Underground
7.3Aired 27 August 2004 • 44 min
Efforts to open trade relations with a species called the Genii turn sour when the team discovers their new "allies" have ulterior motives.

9. Home
7.0Aired 10 September 2004 • 42 min
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.

10. The Storm (1)
7.7Aired 17 September 2004 • 42 min
When a massive storm threatens the city, Atlantis is evacuated, only to be taken over by the team's newest enemy.

11. The Eye (2)
8.1Aired 8 November 2004 • 42 min
Major Sheppard plays a dangerous game of cat and mouse with soldiers who have seized control of Atlantis and taken Weir and McKay hostage.

12. The Defiant One
7.7Aired 15 November 2004 • 42 min
Sheppard's team investigates a downed Wraith ship, and find themselves stuck on a planet with a lone Wraith survivor.

13. Hot Zone
7.3Aired 22 November 2004 • 42 min
Nearly a third of Atlantis's residents are infected with a deadly virus that causes hallucinations and death, forcing a lockdown of the city.

14. Sanctuary
7.3Aired 29 November 2004 • 44 min
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.

15. Before I Sleep
7.9Aired 6 December 2004 • 42 min
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.

16. The Brotherhood
7.4Aired 3 January 2005 • 44 min
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.

17. Letters From Pegasus
7.4Aired 10 January 2005 • 44 min
Given a brief opportunity to send a data transmission to Earth, members of the Atlantis expedition compose video messages home to their loved ones.

18. The Gift
6.8Aired 17 January 2005 • 42 min
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.

19. The Siege (1)
8.0Aired 24 January 2005 • 44 min
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. McKay leads a team to try and activate the Ancients' orbital weapons platform.

20. The Siege (2)
8.4Aired 31 January 2005 • 44 min
All hope seems lost, until Colonel Everett arrives suddenly from Earth. He is determined to defend the city until the arrival of a ZPM, brought by a new ship.