A new gate will open. A lost city will rise again.
With the Ancients' city of Atlantis discovered in the Pegasus Galaxy by Stargate Command, Dr. Elizabeth Weir and Major Sheppard lead a scientific expedition to the ancient abandoned city. Once there, the team not only find themselves unable to contact Earth, but their explorations unexpectedly reawaken the Ancients' deadly enemies, The Wraith, who hunger for this new prey. Now with the help of newfound local allies like Teyla Emmagan, the Atlantis Team sets about to uncover their new home's secrets even as their war of survival against the Wraith begins.
No Man's Land (2) (Episode 1) 8.4
Writer: Martin Gero
Air date: 2006-07-13
Runtime: 43 min
Overview: The team desperately attempts to stop two Wraith hive ships from reaching Earth. Sheppard must rely on an old foe to rescue McKay and Ronon.
Misbegotten (3) (Episode 2) 7.7
Writer: Paul Mullie
Air date: 2006-07-20
Runtime: 44 min
Overview: The Atlantis team must decide the fate of a colony of Wraith they have turned into humans. Dr. Weir must defend her leadership when she is evaluated by the I.O.A.
Irresistible (Episode 3) 6.7
Writer: Carl Binder
Air date: 2006-07-27
Runtime: 42 min
Overview: Sheppard's team meets an obnoxious man who is adored by all thanks to a secret that he carries -- and who has an unexpected effect on them.
Sateda (Episode 4) 7.9
Writer: Robert C. Cooper
Air date: 2006-08-03
Runtime: 42 min
Overview: Ronon Dex is captured by the Wraith and returned to his homeworld, where he is haunted by his past as he is forced to once again become their prey.
Progeny (Episode 5) 7.9
Writer: Carl Binder
Air date: 2006-08-10
Runtime: 44 min
Overview: Weir and the team visit an advanced civilization that split off from the Lanteans thousands of years ago, but discover that they may not have left Atlantis in peace.
The Real World (Episode 6) 7.2
Writer: Carl Binder
Air date: 2006-08-17
Runtime: 42 min
Overview: Elizabeth Weir wakes up in a mental institution, where she is told that the expedition to Atlantis and the Stargate are figments of her imagination.
Common Ground (Episode 7) 8.7
Writer: Ken Cuperus
Air date: 2006-08-24
Runtime: 42 min
Overview: Colonel Sheppard finds himself the prisoner of a Genii commander, along with a desperately hungry Wraith who has been separated from his hive.
McKay and Mrs. Miller (Episode 8) 8.4
Writer: Martin Gero
Air date: 2006-09-07
Runtime: 44 min
Overview: Rodney McKay is reunited with his estranged sister back on Earth, who has given up a brilliant career as a scientist to raise a family.
Phantoms (Episode 9) 7.5
Writer: Carl Binder
Air date: 2006-09-14
Runtime: 42 min
Overview: Sheppard and Ronon are influenced by a mind-altering device created by the Wraith while on a mission to rescue a lost team.
The Return (1) (Episode 10) 8.2
Writer: Martin Gero
Air date: 2006-09-21
Runtime: 42 min
Overview: The Atlantis expedition is stunned to learn that a ship full of Ancients is returning to reclaim their lost city.
The Return (2) (Episode 11) 8.3
Writer: Martin Gero
Air date: 2006-11-19
Runtime: 42 min
Overview: The Atlantis team goes against orders to try and save Atlantis from Replicator control -- and to rescue General O'Neill and Richard Woolsey, who are trapped in the occupied city.
Echoes (Episode 12) 7.6
Writer: Brad Wright
Air date: 2006-11-26
Runtime: 42 min
Overview: The inhabitants of Atlantis begin to suffer ill effects when the planet's whale population begins migrating to the island city, bringing an unexpected harbinger of doom.
Irresponsible (Episode 13) 6.8
Writer: Paul Mullie
Air date: 2006-12-03
Runtime: 42 min
Overview: The team finds Lucius Lavin manipulating the people of another hapless planet, using Ancient technology to pose as an invincible hero.
Tao of Rodney (Episode 14) 8.4
Writer: Damian Kindler
Air date: 2006-12-10
Runtime: 43 min
Overview: After an Ancient device gives Rodney superhuman powers, his enhanced brilliance is checked only by his impending death -- unless he can learn how to ascend.
The Game (Episode 15) 7.8
Writer: Carl Binder
Air date: 2006-12-17
Runtime: 42 min
Overview: Sheppard and McKay discover that their competitive video game has been controlling a planet of real people, who now stand on the brink of war.
The Ark (Episode 16) 7.3
Writer: Scott Nimerfro
Air date: 2007-01-07
Runtime: 42 min
Overview: The team discovers the last of a civilization in suspended animation, whose survival is at risk when their station is critically damaged.
Sunday (Episode 17) 8.0
Writer: Martin Gero
Air date: 2007-01-11
Runtime: 42 min
Overview: The team tries to relax during a mandatory day off, until an explosion leaves three people dead -- and reveals that one scientist is a walking time bomb.
Submersion (Episode 18) 7.6
Writer: Ken Cuperus
Air date: 2007-01-14
Runtime: 42 min
Overview: The team discovers an Ancient drilling station deep beneath the surface of the ocean, only to find that a Wraith queen is still alive there.
Vengeance (Episode 19) 7.6
Writer: Carl Binder
Air date: 2007-01-28
Runtime: 44 min
Overview: The Atlantis team investigates the disappearance of one of their allies, only to find an old enemy engineering a race of powerful monsters.
First Strike (1) (Episode 20) 8.4
Writer: Martin Gero
Air date: 2007-02-04
Runtime: 42 min
Overview: An unstoppable energy weapon leaves Atlantis under siege after Earth launches a preemptive attack against a very powerful enemy's homeworld.
