The Atlantis team rushes to destroy an advanced wraith hive ship before it presents a threat to the Earth.
Detective John Sheppard attempts to solve a string of unusual murders in Las Vegas.
Dr. Keller wakes to find her consciousness inside the body of a notorious thief who has been sentenced to death for her crimes.
Atlantis receives a distress signal from a Hive ship in which all the Wraith on board have placed themselves in stasis.
Dr. McKay reluctantly travels to Earth to attend a scientific demonstration by his former rival.
Richard Woolsey struggles to remain the leader of Atlantis; McKay and Zelenka investigate a mysterious find; Sheppard is captured by an old enemy.
A vengeful foe infiltrates the Gate Room in an attempt to take control of Atlantis.
Sheppard and his team are captured by a newly formed galactic coalition and made to stand trial.
Col. Sheppard and his team struggle to save survivors of the Hoffan plague from being sacrificed to the Wraith.
Dr. Daniel Jackson and Rodney McKay try to keep a reactivated ancient weapon from triggering a cataclysmic chain of events.
Dr. Daniel Jackson travels to Atlantis to enlist Dr. McKay's help in finding the secret lab of a rebellious ancient scientist.
Ronan must use his skills as a former runner in order to save a kidnapped Dr. Keller.
Teyla goes undercover on a mission aboard a wraith hive ship.
While exploring an abandoned catacomb on an unexplored planet, a team discovers one of Michael's secret labs.
Dr. McKay's sister is summoned from Earth when her brother becomes fatally ill on a rescue mission.
A mysterious entity causes power disruptions and threatens Atlantis' technological infrastructure.
A malfunction in the Daedalus results in the team meeting different alien life forms and having to battle.
Ronon is captured by his former friend and turned over to the wraith.
When a mysterious alien organism takes Dr. Keller as its host, Beckett and the crew must search for a serum to save her from the intruder.
Atlantis races to save team members who are trapped in a collapsed compound; a pregnant Teyla begs Kanann to help save her.
Following another unsuccessful search for Teyla, Sheppard returns home to Atlantis to find the city completely abandoned.
An old friend's return spurs a race against time to rescue a missing teammate.
Teyla continues to search for her people; a mysterious illness sweeps through the galaxy.
Col. Carter asks Teal'c to serve as Ronan Dex's mentor before his suitability review by the IOA.
Carter, McKay and Dr. Keller become trapped in an underground mining chamber during an off-world mission.
After learning of his father's death, Sheppard becomes embroiled in a covert experiment when he returns to Earth.
Sheppard and McKay agree to accompany a young princess on a rite of passage in order to maintain diplomatic relations.
Members of the Atlantis team are trapped in various sections of the city after an alarm initiates a quarantine lockdown.
The Atlantis team salvages a partially damaged Hive ship and retrieves information that may help in its war against the Wraith.
After being armed with the means to track Replicator ships throughout the Pegasus Galaxy, the Atlantis team works toward eliminating the Replicators.
When a mysterious drone crashes into the city, the Atlantis team's worst fears may be realized.
When McKay's sister is kidnapped, the team returns to Earth to find her.
While searching for her people, Teyla and the team meet a man who predicts a frightening future for Atlantis.
Teyla and Dr. Keller arrive on New Athos and discover that the entire settlement has been abandoned.
After a virus infects nearly everyone in Atlantis, McKay discovers cryptic letters and has no recollection of his identity.
Lt. Col. Sheppard is taken prisoner aboard a rogue ship run by a ruthless human commander.
While on an exploratory walk on a jungle planet, Lt. Col. Sheppard touches a crystalline growth and becomes host to an infectious energy form.
Ronon reconnects with a group of Satedans from his past that enlists the help of the Atlantis team on a mission against the Wraith.
Lt. Col. Sheppard leads his team on a high-risk mission to the core of the Replicator home world; Samantha Carter races against time to locate the city of Atlantis.
McKay must find a solution when Atlantis starts to decompress after its power system is damaged.
A Replicator attack forces Atlantis to sink back into the ocean.
While seeking a missing village, Col. Sheppard and his team find more than they bargained for.
While searching for an ancient geothermal drilling station on the ocean floor, the team unknowingly awakens a Wraith queen who has lain dormant for thousands of years.
When the crew is ordered to take a personal day, an explosion rocks the city.
Sheppard and his crew awaken a race of people stored in stasis on a hollowed-out moon.
McKay and Sheppard discover that a simulator game that they have been playing for a year is, in fact, real.
Rodney McKay begins to evolve into a superhuman after a device the Ancients left running zaps him.
Lucius is up to his old tricks; Kolya and his men draw the team into a fight.
When the people of Atlantis begin to have visions of ghosts, Teyla believes the apparitions are Ancients trying to warn them of a great danger.
Gen. O'Neill and Richard Woolsey find themselves trapped on Atlantis; Col. Sheppard takes his team to mount a rescue mission.
Gen. O'Neill and Richard Woolsey find themselves trapped on Atlantis; Col. Sheppard takes his team to mount a rescue mission.
The Air Force enlists McKay's estranged sister to implement an experiment in Atlantis.
The Genii take Sheppard prisoner, but he enlists an unlikely ally.
Dr. Elizabeth Weir awakens in a psychiatric hospital and discovers that her Atlantis experience was a figment of her imagination.
A reference in the Atlantis database leads the team to a thriving civilization.
Ronon's past catches up with him when the Wraith capture and hunt him as a runner.
Members of the Atlantis team needlessly risk their lives when they find themselves in the thrall of an obnoxious but mysteriously powerful man.
The Atlantis team must decide what to do with hundreds of human-form Wraith prisoners.
After stealing information from the Atlantis database, two Wraith hive ships travel toward Earth to launch an attack.
A Wraith offers to strike a deal: he wants Beckett's retrovirus in return for information about Wraith weapons.
McKay must act quickly to save the team when its members are trapped on a planet with a super volcano.
The team tries to turn a Wraith into a human using Dr. Beckett's vaccine.
The team worries that their truce with the Genii might come to an end.
Sheppard and Weir become a threat to Atlantis when hostile entities take over their minds.
The team encounters a village whose leader has the ability to protect his subjects from Wraith attacks.
McKay receives help from an unlikely source after his puddle jumper crashes into the ocean.
The team races against time to foil the Goa'uld's plans to destroy Atlantis.
Sheppard goes through a portal and cannot find his way back to Atlantis.
McKay must rescue Sheppard, Teyla and Ronon after the Wraith capture them and hold them hostage on a hive ship.
Exploring a new planet, Sheppard and his crew find Ford living in a cave, under the influence of a powerful drug and planning revenge on the Wraith.
The crew aboard an ancient ship has information about a weakness in the Wraith's technology.
The team races to find a cure for the retrovirus that is mutating Sheppard into a Wraith.
Dr. Beckett inadvertently puts Sheppard's life at risk while experimenting with a retrovirus.
Unperfected ancient technology could become the new source of energy for Atlantis.
The team visits a technologically advanced planet that is mysteriously unharmed by the Wraith.
A technical glitch during their rescue from a Wraith ship forces McKay and Lt. Cadman to coexist inside McKay's body.
A fierce survivor of a Wraith attack must help the team combat the dangerous, infected Ford.
McKay fears that a computer virus on Col. Caldwell's ship might be the work of the Wraith.
As Lt. Aiden Ford recovers from his near-fatal encounter with the Wraith, the team races to save the city from an impending assault.
The team struggles to hold off the Wraith's attack until reinforcements can arrive.
Tensions boil over as the Atlantis team scrambles to fortify the city against the coming battle with the Wraith.
The stress of the coming battle weighs on the Atlantis team; Teyla explores her personal connection to the Wraith.
The Atlantis team prepares for a showdown with the entire Wraith armada.
The Atlantis team's search for a power source leads them into the hands of the vengeful Genii.
The Atlantis team revives a woman who has been in stasis for over 10,000 years.
The Atlantis team discovers a planet and people completely untouched by the Wraith.
McKay must stop a deadly virus from spreading throughout the population of Atlantis.
While investigating a distress signal, Sheppard and McKay become the target of a hungry Wraith.
When an approaching storm forces city residents to evacuate, the Genii launch an invasion.
A large storm threatens to destroy the city; the Atlantis team faces a threat from the Genii.
After the members of the Atlantis team find a way back to Earth, they learn that they may not be able to return to Atlantis.
Teyla introduces the Atlantis team to a group of simple farmers.
The Atlantis team encounters a human civilization that may have developed a weapon against the Wraith.
The Atlantis team discovers a tribe of children whose beliefs lead them to ritual suicide.
Relationships rend when others accuse the Athosians of harboring a spy.
The Atlantis team is in danger when the puddle jumper lodges in the Stargate.
As the crew explores Atlantis, it accidentally unleashes a dark entity that threatens to drain the city's power supply.
A new Stargate team heads to an unknown galaxy, discovers the lost city of Atlantis, and encounters a new enemy.
Quando um misterioso organismo extraterrestre se apodera do corpo da Dra. Keller, Beckett e a equipe devem buscar um antídoto para salvá-lo do intruso.
Sheppard retorna para sua casa em Atlantis e descobre que a cidade está abandonada.
Teyla continua a procurar pela sua gente; uma doença misteriosa se apodera da galáxia.
O Atlantis tem que salvar membros do time que estão presos; Teyla está grávida e pede para que Kannan a salve.
Ronon se encontra com amigos do passado, pensando em deixar Atlantis.
A equipe ajuda uma vila que está sendo atacada pelos Wraith, mas no meio do drama, um deles, o favorito dos fãs, Dr.Keller, é sequestrado.
Dr. Keller acredita que ela pode curar os Wraith de sua necessidade de ter refeições na variedade humana, então Teyla embarca disfarçada em uma missão perigosa.
Dr. Daniel Jackson viaja para Atlantis para recrutar a ajuda de Dr. McKay para encontrar o laboratório secreto do antigo cientista rebelde.
Enquanto estão pesquisando uma catacumba abandonada num planeta que ainda não foi explorado, a equipe descobre um dos laboratórios secretos de Michael.
A irmã de Dr. McKay é chamada para a Terra quando seu irmão fica doente.
Uma misteriosa entidade causa falta de energia e ameaça a infraestrutura tecnológica de Atlantis.
A equipe enfrenta seres alienígenas.
Ronon é capturado pelo seu ex-amigo.
Enquanto explora um novo planeta, Sheppard toca em um cristal raro que trará pesadelos.
O retorno de um velho amigo provoca uma corrida contra o tempo para resgatar um membro da equipe desaparecido.
Sheppard e Mckay acompanham uma princesa em seu ritual de passagem.
Os membros da equipe Atlantis estão presos na cidade depois que um alarme inicia uma quarentena.
A equipe Atlantis resgata uma nave quebrada e recupera informações que podem ajudar na guerra contra 'Wraith'.
Depois de ser equipados com o sistema de rastreamento das naves dos 'Replicators' pela Galáxia Pegasus, o time Atlantis luta para eliminar os 'Replicators'.
Quando uma nave misteriosa colide na cidade, os piores medos do time Atlantis viram realidade.
McKay e sua irmã são sequestrados na Terra por um homen que precisa de suas opiniões.O resto da equipe de Atlantis deve recrutar a ajuda de um agente do NID para resgatá-los.
Enquanto procurava por amigos, Teyla e seu time conhecem um homem que prediz o futuro de Atlantis.
Teyla e Dr. Keller cheam a Novo Athos e descobrem o assentamento abandonado.
Um vírus contamina a população de Atlantis, Mckay descobre letras crípticas e não consegue lembrar de sua própria identidade.
Tte. Col. Sheppard é capturado por uma nave trapaceira controlada por um comandante humano mas cruel.
O Tte. Col. Sheppard lidera sua equipe em uma missão perigosa ao planeta dos 'Replicators'.
Mckay tem que encontrar uma solução quando Atlantis sofre danificações.
A equipe de Atlantis avança para destruir uma nave antes que ela se torne uma ameaça para o planeta Terra.
John Sheppard tenta resolver vários assassinatos em Las Vegas.
Dr. Keller desperta para encontrar sua consciência dentro do corpo do famoso ladrão que tem sido sentenciado a morte por seus crimes.
O col. Carter pede a Teal'c para ser o guia de Ronan Dex antes de sua revisão pela IOA.
Dr. Kelly, Carter e Mckay ficam presos em uma caverna de uma mina subterrânea durante uma missão.
Depois de descobrir sobre a morte de seu pai, Sheppard se envolve em um experimento clandestino ao retornar para a Terra.