Colonel Sheppard and his team find themselves prisoners of the Wraith following Ford’s attack on a hive ship. Dr. McKay goes to great lengths to help them.

McKay puts the team at risk when he tries to perfect unfinished Ancient technology that wiped out a civilization. Ronon Dex discovers that he is not the lone survivor from…

The Atlantis team finds a culture that lives in relative safety from the Wraith, because they hand over their criminals to the Wraith — and crash-land in the volatile penal…

The Daedalus arrives to defend Atlantis from the Wraith onslaught, but it may not be enough when the team discovers that an even larger armada is on the way.

An unstoppable energy weapon leaves Atlantis under seige after Earth launches a preemptive attack against a very powerful enemy’s homeworld.

Sheppard returns to Atlantis after a mission and finds the city abandoned, all systems dead — and instead of ocean, sand dunes as far as the eye can see.

With a plan to potentially extinguish the Replicator threat, the Atlantis team must seek an alliance with a fleet of Wraith ships.

Floating in deep space with the city’s protective shield failing, the team must do all they can to keep Atlantis alive. A radical injury threatens Dr. Weir’s life.

“Todd” informs the Atlantis expedition that a rogue group of Wraith has acquired several Zero Point Modules to power a Super-hive, and wants it destroyed. However, after the Daedalus is…

Dr. Daniel Jackson arrives in Atlantis to investigate a hidden lab left behind by the rogue Ancient scientist Janus. Their discovery has attracted the attention of a mysterious group of…

While on a mission, Lt. Colonel John Sheppard’s team inadvertently brings a mysterious entity to Atlantis. They soon learn that the entity is nothing more than Dr. Elizabeth Weir, who…

The Atlantis expedition mysteriously finds the Daedalus, abandoned and drifting in space. When Lt. Colonel John Sheppard’s team come to investigate, the ship mysteriously disappears. They soon discover that the…

All hope seems lost, until Colonel Everett arrives suddenly from Earth. He is determined to defend the city until the arrival of a ZPM, brought by a new ship.

The team searches for a valuable Zero Point Module rumored to be hidden on the planet Dagan — but their new allies have motives of their own.