Seasons & Episodes
Rising (1)
A new Stargate team embarks on a dangerous mission to a distant galaxy, where they discover a mythical lost city -- and
Rising (2)
Sheppard tries to convince Weir to mount a rescue mission to free Colonel Sumner, Teyla, and the others captured by the
Hide and Seek
The Atlantis base is threatened when the team discovers that an alien entity is in the city. McKay's experiment with ali
Thirty Eight Minutes
The team finds themselves in mortal danger when their Puddle Jumper ship becomes lodged in the Stargate.
Suspicion
After a series of run-ins with the Wraith, the team begins to suspect their Athosian allies of having a spy in their mid
Childhood's End
Sheppard and the team visit a world where no one is over 24 years old -- because of a ritual suicide practice they belie
Poisoning the Well
The team finds a world whose people are on the brink of a discovery that may make them immune to the Wraith feeding.
Underground
Efforts to open trade relations with a species called the Genii turn sour when the team discovers their new "allies" hav
Home
McKay's efforts to harness the energy of an alien planet's atmosphere allows for a return trip to Earth -- but the team
The Storm (1)
When a massive storm threatens the city, Atlantis is evacuated, only to be taken over by the team's newest enemy.
The Eye (2)
Major Sheppard plays a dangerous game of cat and mouse with soldiers who have seized control of Atlantis and taken Weir
The Defiant One
Sheppard's team investigates a downed Wraith ship, and find themselves stuck on a planet with a lone Wraith survivor.
Hot Zone
Nearly a third of Atlantis's residents are infected with a deadly virus that causes hallucinations and death, forcing a
Sanctuary
The team finds a paradise world that would make an ideal sanctuary for those fleeing from the Wraith, but the local inha
Before I Sleep
A woman is found in suspended animation in Atlantis, and the team is shocked to see that it is Dr. Weir herself, who tel
The Brotherhood
The team searches for a valuable Zero Point Module rumored to be hidden on the planet Dagan. But their new allies have m
Letters From Pegasus
Given a brief opportunity to send a data transmission to Earth, members of the Atlantis expedition compose video message
The Gift
Plagued by terrifying nightmares, Teyla begins to recall a time when she and her father were captured by the Wraith and
The Siege (1)
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
The Siege (2)
All hope seems lost, until Colonel Everett arrives suddenly from Earth. He is determined to defend the city until the ar
The Siege (3)
The Daedalus arrives to defend Atlantis from the Wraith onslaught, but it may not be enough when the team discovers that
The Intruder
The Daedalus is infected by a Wraith computer virus, while members of the expedition hope to return to Earth.
Runner
Sheppard and his team attempt to locate Lieutenant Ford, only to find themselves captives of a former soldier who is bei
Duet
A run-in with a Wraith Dart leaves the consciousness of a precocious Atlantis security officer trapped in Dr. McKay's mi
Condemned
The Atlantis team finds a culture that lives in relative safety from the Wraith, because they hand over their criminals
Trinity
McKay puts the team at risk when he tries to perfect unfinished Ancient technology that wiped out a civilization. Ronon
Instinct
The team discovers a young Wraith girl who has been raised by a human, and is in hiding from the people of her human vil
Conversion
Colonel Sheppard begins to undergo a disturbing physical transformation after being exposed to Beckett's anti-Wraith dru
Aurora
When the team finds an Ancient warship adrift on the edge of the galaxy, its crew still alive, Colonel Sheppard enters t
The Lost Boys (1)
The team is captured by the missing Lieutenant Ford, who is now leading a group of young men who are taking the Wraith e
The Hive (2)
Colonel Sheppard and his team find themselves prisoners of the Wraith following Ford's attack on a hive ship. Dr. McKay
Epiphany
Sheppard finds himself on a planet where time passes more rapidly, with no way to contact his team or return to Atlantis
Critical Mass
When an operative of the Trust plants a bomb in Atlantis, the team must find a spy within their own ranks before the Wra
Grace Under Pressure
When Dr. McKay is trapped underwater in a sinking Puddle Jumper, his only chance for survival may be an hallucination of
The Tower
The team finds a world that possesses Ancient defense technology, where Colonel Sheppard finds himself a pawn in the riv
The Long Goodbye
The team discovers two pods that contain the minds of alien beings, who take control of Weir and Sheppard's bodies to co
Coup D'etat
After a team from Atlantis goes missing, the expedition finds itself in the middle of a Genii coup.
Michael
An amnesiac young Lieutenant in Atlantis suffers from disturbing nightmares that he is a Wraith, only to make a shocking
Inferno
Sheppard's team meets a civilization about to be destroyed by a super-volcano, and is trapped there when the Stargate is
Allies (1)
Michael and his Wraith faction arrive at Atlantis to propose an alliance, hoping to use the retrovirus to transform thei
No Man's Land (2)
The team desperately attempts to stop two Wraith hive ships from reaching Earth. Sheppard must rely on an old foe to res
Misbegotten (3)
The Atlantis team must decide the fate of a colony of Wraith they have turned into humans. Dr. Weir must defend her lead
Irresistible
Sheppard's team meets an obnoxious man who is adored by all thanks to a secret that he carries -- and who has an unexpec
Sateda
Ronon Dex is captured by the Wraith and returned to his homeworld, where he is haunted by his past as he is forced to on
Progeny
Weir and the team visit an advanced civilization that split off from the Lanteans thousands of years ago, but discover t
The Real World
Elizabeth Weir wakes up in a mental institution, where she is told that the expedition to Atlantis and the Stargate are
Common Ground
Colonel Sheppard finds himself the prisoner of a Genii commander, along with a desperately hungry Wraith who has been se
McKay and Mrs. Miller
Rodney McKay is reunited with his estranged sister back on Earth, who has given up a brilliant career as a scientist to
Phantoms
Sheppard and Ronon are influenced by a mind-altering device created by the Wraith while on a mission to rescue a lost te
The Return (1)
The Atlantis expedition is stunned to learn that a ship full of Ancients is returning to reclaim their lost city.
The Return (2)
The Atlantis team goes against orders to try and save Atlantis from Replicator control -- and to rescue General O'Neill
Echoes
The inhabitants of Atlantis begin to suffer ill effects when the planet's whale population begins migrating to the islan
Irresponsible
The team finds Lucius Lavin manipulating the people of another hapless planet, using Ancient technology to pose as an in
Tao of Rodney
After an Ancient device gives Rodney superhuman powers, his enhanced brilliance is checked only by his impending death -
The Game
Sheppard and McKay discover that their competitive video game has been controlling a planet of real people, who now stan
The Ark
The team discovers the last of a civilization in suspended animation, whose survival is at risk when their station is cr
Sunday
The team tries to relax during a mandatory day off, until an explosion leaves three people dead -- and reveals that one
Submersion
The team discovers an Ancient drilling station deep beneath the surface of the ocean, only to find that a Wraith queen i
Vengeance
The Atlantis team investigates the disappearance of one of their allies, only to find an old enemy engineering a race of
First Strike (1)
An unstoppable energy weapon leaves Atlantis under siege after Earth launches a preemptive attack against a very powerfu
Adrift (2)
Floating in deep space with the city's protective shield failing, the team must do all they can to keep Atlantis alive.
Lifeline (3)
Colonel Sheppard and his team embark on a risky mission to steal a Z.P.M. power module from the Replicators -- but must
Reunion
When a group of Ronon's people enlist the team's help in raiding a Wraith weapons facility, Ronon reconsiders whether hi
Doppelganger
During an off-world mission Colonel Sheppard unknowingly becomes host to an alien entity, which infects others in Atlant
Travelers
Colonel Sheppard is captured by the inhabitants of a generational ship and their beautiful leader, who wish to use his a
Tabula Rasa
When a virus causes amnesia in everyone except Teyla and Ronon, the Atlantis team must work together to find a cure befo
Missing
During a visit to New Athos, Teyla and Dr. Keller find themselves on the run from a primitive tribe of warriors.
The Seer
The team meets a man with extraordinary prophetic abilities, who gives them a dark prediction about Atlantis's future. T
Miller's Crossing
Rodney McKay goes in search of his sister on Earth after she is kidnapped by the head of a powerful corporation.
This Mortal Coil (1)
A mysterious drone crashes into Atlantis, indicating that the Replicators may have found the city. But when Elizabeth We
Be All My Sins Remember'd (2)
With a plan to potentially extinguish the Replicator threat, the Atlantis team must seek an alliance with a fleet of Wra
Spoils of War
The team finds their former Wraith ally's hive ship drifting in space, which leads them to a secret project that could t
Quarantine
An automated lockdown traps Atlantis personnel in various parts of the city, each of them hoping the others will come to
Harmony
Colonel Sheppard and Dr. McKay must protect a child princess on a pilgrimage before she can become queen, and learn that
Outcast
While on personal leave on Earth, Sheppard and Ronon learn that scientists have engineered a human-form Replicator -- wh
Trio
McKay, Carter, and Keller are trapped in an underground chamber while on an off-world mission, with no apparent means of
Midway
Teal'c visits Atlantis to counsel a headstrong Ronon, who is up for review by the I.O.A. But the two must work together
The Kindred (1)
As a mysterious new illness sweeps through the Pegasus Galaxy, Teyla is convinced by a vision that the father of her chi
The Kindred (2)
The team is shocked when an old friend, believed to be dead, miraculously returns to them. Teyla plans an escape from Mi
The Last Man (1)
Sheppard returns to Atlantis after a mission and finds the city abandoned, all systems dead -- and instead of ocean, san
Search and Rescue (2)
Lt. Colonel John Sheppard and his team are trapped under the rubble of Michael's facility in order to rescue Teyla Emmag
The Seed
When a mysterious alien organism takes Dr. Jennifer Keller as its host, the newly revived Dr. Carson Beckett and the cre
Broken Ties
Ronon Dex is captured by Tyre, who wants to hand him to the Wraith in order to maintain his role in their circle. Howeve
The Daedalus Variations
The Atlantis expedition mysteriously finds the Daedalus, abandoned and drifting in space. When Lt. Colonel John Sheppard
Ghost in the Machine
While on a mission, Lt. Colonel John Sheppard's team inadvertently brings a mysterious entity to Atlantis. They soon lea
The Shrine
Dr. Rodney McKay is infected with the Pegasus equivalent of Alzheimer's disease, known as Second Childhood, a common ill
Whispers
Dr. Carson Beckett is called in to help a team investigating a lab that once belonged to Michael Kenmore. But soon, they
The Queen
The Atlantis expedition has a plan to remove the Wraith's dependence on feeding to use an experimental gene therapy from
Tracker
Dr. Jennifer Keller is kidnapped by a runner named Kiryk. While Dr. Rodney McKay and Ronon Dex tracks them, Kiryk takes
First Contact (1)
Dr. Daniel Jackson arrives in Atlantis to investigate a hidden lab left behind by the rogue Ancient scientist Janus. The
The Lost Tribe (2)
As Dr. Rodney McKay and Dr. Daniel Jackson is held prisoner by the Vanir, they make a startling discovery about who they
Outsiders
Dr. Carson Beckett, now a traveling doctor in Pegasus comes across a planet, where some of the villagers are refugees fr
Inquisition
Lt. Colonel John Sheppard's team is invited by the Coalition of Planets in order to form an alliance. However, the team
The Prodigal
Michael Kenmore has infiltrated Atlantis with an army of his Hybrids, and closes off Stargate Operations and the surroun
Remnants
While being evaluated by the International Oversight Advisory, Richard Woolsey meets a beautiful scientist new to Atlant
Brain Storm
Dr. Rodney McKay reluctantly returns to Earth to witness the triumph of his rival Dr. Malcolm Tunney, but must help shut
Infection
After a Wraith Hive Ship shows up over Atlantis transmitting a distress call, Lt. Colonel John Sheppard's team discovers
Identity
Dr. Jennifer Keller's body is inadvertently taken over by a cunning thief, Neeva Casol. While Neeva tries to escape Atla
Vegas
In the city of Las Vegas in an alternate reality, police Detective John Sheppard investigates a series of bizarre murder
Enemy at the Gate
"Todd" informs the Atlantis expedition that a rogue group of Wraith has acquired several Zero Point Modules to power a S