Main article:Episodes in bold are continuous episodes, where the story spans over 2 or more episodes.No.overallNo. InseasonTitleDirected byWritten byOriginal air date411' No Man's Land'July 14, 2006 ( 2006-07-14)After betraying the expedition, the Wraith head to Earth with McKay and Ronon. Meanwhile, Elizabeth must answer to the for her decisions during the short-lived alliance, and Sheppard must stop the hive ships from reaching, whatever the cost.422' Misbegotten'Martin Wood&July 21, 2006 ( 2006-07-21)After using the retro-virus to turn an entire hive into humans, a Stargate-less colony is created for them to live in until a more permanent solution can be found. All the while, Richard Woolsey, newly arrived at Atlantis, observes Dr.
Weir to determine whether she is fit to continue to lead the expedition.433'Irresistible'Martin WoodStory by: &Teleplay by:July 28, 2006 ( 2006-07-28)The Atlantis team encounters a village that adores a man named Lucius Lavin to the point of insanity. He claims to have medicines to offer the team, but when Beckett investigates, he brings the man back to Atlantis smitten by the man's charm. Soon, the entire expedition falls under his spell.444'Sateda'Robert C. CooperRobert C. CooperAugust 4, 2006 ( 2006-08-04)When Ronon becomes a prisoner offworld, his captors hand him over to the Wraith, who take him to his homeworld. There, he is once again forced to become their prey, but witness to his capture, Sheppard's team races to Sateda to return him to his new home.455' Progeny'Story by: Robert C.
Cooper & Carl BinderTeleplay by: Carl BinderAugust 11, 2006 ( 2006-08-11)Weir and the team visit M7R-227, a planet where an advanced civilization lives who split off from the Lanteans thousands of years ago, and have built an entire planet out of Ancient technology. But after their adverse behavior, it is soon discovered that they might not be Lantean, or even organic for that matter.466' The Real World'Paul ZillerCarl BinderAugust 18, 2006 ( 2006-08-18)awakens in a sanitarium outside of D.C. Only to find that Atlantis, and the Stargate Program, was a fantasy. But after a series of nightmarish visions, she doesn't take long to realize things aren't what they appear to be and is determined to return to the city.477'Common Ground'Ken CuperusAugust 25, 2006 ( 2006-08-25)Sheppard is captured by Kolya, who plans to trade him for Ladon Radim. To help persuade Dr. Weir, he uses his captured Wraith to feed off Sheppard over and over again. To escape, Sheppard must find common ground with the only one who wants to achieve the same goal.488'McKay and Mrs.
Miller'Martin WoodMartin GeroSeptember 8, 2006 ( 2006-09-08)On Earth, a young housewife has written a ground-breaking proof that could benefit Atlantis. She is McKay's sister who has given up a career as a scientist to raise a family, and when he persuades her to come to Atlantis, another Rodney comes from an alternate reality.499'Phantoms'Martin WoodCarl BinderSeptember 15, 2006 ( 2006-09-15)Trying to locate a missing team, Sheppard's team finds a Wraith hallucinatory device on M1B-129, and after a few hours of research, McKay deems it to be a threat for everyone's safety. Yet, while attempting to leave, the DHD explodes, leaving them to become victim to the device.5010' The Return: Part 1'Martin GeroSeptember 22, 2006 ( 2006-09-22)During the first test of the intergalactic bridge, the Daedalus discovers an Ancient Warship flying between the two galaxies. They rescue the nearly 100 Ancients on-board, who then order the expedition to vacate Atlantis. A few weeks later, take over the city and kill the Ancients.5111' The Return: Part 2'Brad TurnerMartin GeroApril 13, 2007 ( 2007-04-13)A visiting and are captured in the crossfire, forcing Weir and the team to disobey orders and return to the Pegasus Galaxy. Reuniting with Teyla and Ronon, they reclaim Atlantis before the Daedalus arrives to destroy the Asurans, and Atlantis, with nuclear bombs.5212'Echoes'Story by: Carl Binder & Brad WrightTeleplay by: Carl BinderApril 20, 2007 ( 2007-04-20)Everyone starts to see ghosts of Lanteans, caused by echoes being emitted by whale-like creatures converging on the city from the planet's ocean.
When side effects begin to occur, McKay discovers that the Ancients tried to teach the whales their language, and that the whales are trying to warn them about a natural disaster that endangers all life on the planet.5313'Irresponsible'Martin WoodJoseph Mallozzi & Paul MullieApril 27, 2007 ( 2007-04-27)is up to his old tricks again. He's using an Ancient Personal Shield Emitter to pose as an invincible hero, but needs the team's help when Acastus Kolya shows up to deal with Lavin personally.5414'Tao of Rodney'Martin WoodMay 4, 2007 ( 2007-05-04)After an Ancient device within the city alters Rodney's DNA, he gains superhuman powers. Although he initially takes them as a blessing, his enhanced brilliance is checked only by his impending death, unless he learns to overcome his ego to.5515'The Game'William WaringStory by: & Holly HendersonTeleplay by: Carl BinderMay 11, 2007 ( 2007-05-11)'s team discovers a planet that fits the description of what Sheppard and McKay mistook as a video game they found in the Atlantis database. It turns out that, through a series of Ancient satellites above planet M4D-058, the game has been controlling real people, the People of Geldar and Hallona, who now stand on the brink of war and destruction.5616'The Ark'Martin WoodStory by: & Ken CuperusTeleplay by: Ken CuperusMay 18, 2007 ( 2007-05-18)Colonel Sheppard's team discovers a space station where the last of a race of humans remain. They soon discover, however, the entire population is in danger when the station is damaged through the suicide of a recently awoken resident.5717'Sunday'William WaringMartin GeroJune 1, 2007 ( 2007-06-01)The expedition tries to relax during a mandatory day off until an unexpected explosion leaves three people dead and reveals that one other scientist is a walking time bomb.
Unfortunately, the attempt to resolve the issue will result in the loss of an important face in Atlantis.5818'Submersion'Ken CuperusJune 8, 2007 ( 2007-06-08)The team discovers a drill platform at the bottom of the ocean which might be an alternative to ZPMs, but during their visit, they are ambushed by an old Wraith Queen. Once they capture her, Teyla's desire to get information could lead her down a dangerous path.5919'Vengeance'Andy MikitaCarl BinderJune 15, 2007 ( 2007-06-15)Now that the Wraith see Michael as an 'unclean thing,' he has been experimenting with Iratus bugs, producing monsters for an army to rule the galaxy. When the team stumbles on one of his labs, they are in for a world of hurt when they are attacked by countless creatures, experiments that Michael himself can no longer control.6020' 'Martin WoodMartin GeroJune 22, 2007 ( 2007-06-22)After the Apollo arrives, they launch a pre-emptive strike against the Asurans when it is discovered that they are building a fleet of ships but later a weapons satellite appears above the city, firing a beam at Atlantis which leaves everyone trapped in the city and the Expedition unable to use their Stargate. Ronon, Rodney and Teyla are left injured and Elizabeth fights for her life when the beam strikes the Control Room. Atlantis is left floating helplessly in space due to the hyperdrive shutting down and has only 24 hours of power left before the shields fail and everyone dies.Production., who played in 'Irresistible' and 'Irresponsible', also played a minor role as Gary Meyers in the original.