With information stolen from the Atlantis database, two Wraith hive ships travel toward Earth to launch an attack.
The Atlantis team must determine what to do with hundreds of human-form Wraith prisoners who have no memory of who they really are.
The team encounters an alchemist (Richard Kind) with an inexplicable and irresistible charm.
Ronon's (Jason Momoa) past catches up with him when he is captured and once again hunted by the Wraith as a runner.
A reference in the Atlantis database to a supposedly abandoned Ancient testing site leads the team to a thriving civilization.
The Real World
Dr. Elizabeth Weir (Torri Higginson) awakens in a psychiatric hospital on Earth to discover that her entire experience in Atlantis over the last two years was solely a figment of her imagination.
Sheppard is taken prisoner by the Genii and enlists an unlikely ally.
McKay and Mrs. Miller
McKay's (David Hewlett) estranged but brilliant sister is enlisted by the Air Force to implement an important experiment in Atlantis, with unintended and bizarre consequences.
The team is stranded on a mysterious planet where the effects of an abandoned wraith experiment threaten to turn the team against one another.
The Return, Part 1
Ancients reclaim Atlantis after thousands of years, forcing the team to return to Earth.
The Return, Part 2
With General O'Neill and Richard Woosley trapped on Atlantis hiding from the Replicators, Col. Sheppard takes his team AWOL hoping to mount a rescue mission before General Landry (Beau Bridges) nukes.
When the people of Atlantis begin to have visions of ghosts, Teyla believes the apparitions are actually Ancients unable to ascend warning them of a great danger.
When the team finds Lucius (Richard Kind) up to his old tricks again they try to blow the whistle on his scamming ways, but instead are drawn into a fight with Kolya (Robert Davi) and his men.
Tao of Rodney
Zapped by a mysterious device left running by the Ancients, Rodney McKay (David Hewlett) begins to evolve into a super human.
Discovering a simulator game that McKay and Sheppard have been playing for a year is in fact real, they must put their petty competition aside or be responsible for a bloody war.
Discovering a hollowed out moon with an antiquated space station inside, Sheppard (Joe Flanigan) and his team mistakenly awaken a race of people stored in stasis for thousands of years.
With the personnel of Atlantis ordered to take a personal day the city is rocked by an explosion that rips through part of the city.
Searching for an ancient geothermal drilling station on the Ocean floor the team unknowingly awakens a Wraith Queen who has laid dormant for thousands of years.
Searching for a missing village of Taranans they helped relocate, Col. Sheppard (Joe Flanigan) and his team stumble onto a wraith experiment built to create Iratus super bugs.
After a pre-emptive attack on what appears to be an armada the Replicators are building to attack earth, the Replicators return fire forcing Atlantis to once again sink beneath the ocean, only this time the ocean might not be enough to save the city.
About this Show
A military unit uses an alien Stargate to travel to a far-off galaxy.
Starring: Joe FlaniganRobert PicardoDavid HewlettRachel LuttrellJason Momoa
Get unlimited access to thousands of shows and movies with limited ads
Stream 75+ top Live and On-Demand TV channels
Record live TV with 50 hours of Cloud DVR storage
Watch Live TV online and on supported devices
Switch plans or cancel anytime
Enhanced Cloud DVR
Start watching Stargate Atlantis
5 seasons available (100 episodes)
No hidden fees, equipment rentals, or installation appointments.
For new subscribers only
Due to streaming rights, a few shows play with an ad break before and after. Which shows?
Stay current with additional news, entertainment, and lifestyle programming from American Heroes Channel, BET Her, CNBC World, Cooking Channel, Crime + Investigation, Destination America, Discovery Family, Discovery Life, DIY Network, Military History Channel, MTV2, MTV Classic, Nick Toons, Science, and Teen Nick.
Enjoy a collection of popular favorites in Spanish – CNN en Español, Discovery en Español, Discovery Familia, ESPN Deportes, History Channel en Español, and Universo.
18+ only. Includes Hulu (ad-supported) plan. Access content from each service separately and access ESPN+ content via Hulu. No purchase or viewing of pay-per-view and select ESPN+ content via Hulu. Location data required to watch certain content. Offer valid for eligible subscribers only. Subject to Bundle Terms.