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.
The best episode of "Stargate Atlantis" season 3 is "No Man's Land (2)", rated 8.3/10 from 1032 user votes. It was directed by Martin Wood and written by Martin Gero. "No Man's Land (2)" aired on 7/13/2006 and is rated 1.0 point(s) higher than the second highest rated, "Misbegotten (3)".
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.
Director: Martin Wood
Writer: Martin Gero
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.
Director: Martin Wood
Writer: Paul Mullie, Joseph Mallozzi
Sheppard's team meets an obnoxious man who is adored by all thanks to a secret that he carries -- and who has an unexpected affect on them.
Director: Martin Wood
Writer: Carl Binder
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.
Director: Robert C. Cooper
Writer: Robert C. Cooper
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.
Director: Andy Mikita
Writer: Carl Binder
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.
Director: Jule Gilfillan, Paul Ziller
Writer: Carl Binder
Colonel Sheppard finds himself the prisoner of a Genii commander, along with a desperately hungry Wraith who has been separated from his hive.
Director: William Waring
Writer: Ken Cuperus
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.
Director: Martin Wood
Writer: Martin Gero, Carl Binder
Sheppard and Ronon are influenced by a mind-altering device created by the Wraith while on a mission to rescue a lost team.
Director: Martin Wood
Writer: Carl Binder
The Atlantis expedition is stunned to learn that a ship full of Ancients is returning to reclaim their lost city.
Director: Brad Turner
Writer: Martin Gero
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.
Director: Brad Turner
Writer: Martin Gero
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.
Director: William Waring
Writer: Brad Wright, Carl Binder
The team finds Lucius Lavin manipulating the people of another hapless planet, using Ancient technology to pose as an invincible hero.
Director: Martin Wood
Writer: Paul Mullie, Joseph Mallozzi
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.
Director: Martin Wood
Writer: Damian Kindler
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.
Director: William Waring
Writer: Carl Binder, Don Whitehead, Holly Henderson
The team discovers the last of a civilization in suspended animation, whose survival is at risk when their station is critically damaged.
Director: Martin Wood
Writer: Carl Binder, Ken Cuperus, Scott Nimerfro
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.
Director: William Waring
Writer: Martin Gero
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.
Director: Brenton Spencer
Writer: Ken Cuperus
The Atlantis team investigates the disappearance of one of their allies, only to find an old enemy engineering a race of powerful monsters.
Director: Andy Mikita
Writer: Carl Binder
An unstoppable energy weapon leaves Atlantis under siege after Earth launches a preemptive attack against a very powerful enemy's homeworld.
Director: Martin Wood
Writer: Martin Gero