Returning from an off-world mission in a puddle jumper, Sheppard, Teyla, Ronon and McKay suddenly find themselves in a ship that swings wildly between complete power fail ...

Everyone on Atlantis is shocked when the Daedalus, which is supposed to be en route to Earth, suddenly appears in orbit above the city. Sheppard and his team go aboard an ...

Ronon is kidnapped by a Wraith who has every intention of turning him into a warrior for the Wraith cause. He has had considerable success in using drugs and torture to b ...

While working with the information retrieved from Michael's medical compound and trying to find a solution to the cellular degeneration of the cloned Dr. Beckett, Jennife ...

After the explosion of Michael's medical compound, which caved in, trapping the Atlantis team and the marines, Colonel Samantha Carter sends a rescue party along with a m ...

After yet another fruitless search for the missing Teyla, Sheppard returns to Atlantis, only to find it deserted. Worse yet, the city isn't just abnormally hot, but the e ...

Slowly, everyone on Atlantis comes to terms with the sudden re-appearance of Dr. Carson Beckett who, he claims, has been Michael's prisoner for some two years. He tells t ...

A plague of sorts is spreading across the Pegasus galaxy and Dr. Keller estimates that hundreds of thousands will die if they don't don't find a way to stop it. Her resea ...

The IOA is conducting interviews back on Earth to ensure that any personnel serving on Atlantis (in particular, aliens) are suitable for their roles. The episode opens up ...

On an off-world mission McKay, Dr. Keller and Col. Carter are trapped when they fall into an abandoned Genii mining facility. They are unhurt but the planet's surface is ...

Colonel Sheppard receives a message from Earth that his father had a heart attack and passed away. He travels to Earth and goes to the funeral, where is he is approached ...

Rodney and Sheppard are on a diplomatic and trading relations mission and are asked to help out. They need to take her on a quest to be queen. The right of passage is nor ...

It's a big day for Rodney McKay who has decided to propose to Katie Brown. Before he can get the words out of his mouth however, alarms sound and he and Katie find themse ...

In the aftermath of the joint attack on the Replicators, the Atlantis team is more than a little interested when they find a Wraith hive ship abandoned in space. They can ...

This episode begins with the premise that the Replicators are looking for human inhabited planets and wiping out all life. The theory being that, if they kill all humans ...

When an undetected satellite crash lands into the city, it's confirmed that it is Replicator technology. Sheppard's immediate concern is that he and the others may have b ...

Rodney McKay is continuing to work on solving the problems with the replicator nano code and finally gives in to Zelenka's request that he contact his sister Jeannie for ...

Having been told by the Genii spy on New Athos that her people were still alive, Teyla asks permission to visit a man named Davos who is a legendary seer and may be able ...

Dr. Jennifer Keller goes on her first off-world visit accompanying Teyla on a visit to her people on New Athos. Her apprehension over visiting a strange planet increases ...

Rodney McKay awakens in his lab, tied to a chair and with no memory of who or where he is. He did seemingly leave himself a video message telling him to look for Teyla. T ...

Sheppard is kidnapped by a group of people living in a starship fleet. They were telling him that they were living on these ships for a long time, due to the war with the ...

After John Sheppard is drawn to and touches a crystalline substance on a planet he and his team are exploring, several members of the expedition begin to have nightmares. ...

Rodney McKay thinks he knows who will be the next leader of the Atlantis expedition - himself. He's heard that they will likely appoint someone with a scientific backgrou ...

The Atlantis team, along with Weir and now with the ability to make large hyperspace jumps in only a puddle jumper, must now journey to the replicator home planet to stea ...

With a damaged ZPM, and diminished hopes of survival, the Atlantis team finds themselves stranded in the middle of empty space with hardly any time before they run out of ...

Col. Abe Ellis arrives at Atlantis with a new ship, the Apollo, and important news: a new Replicator base has been detected and it appears they have been building a new f ...

After losing contact with the new Taranin (the people rescued by the Atlantis team when a super volcano threatened to destroy their planet) settlement, Sheppard's team le ...

The team locates a mobile geothermal drilling platform that may have the potential of providing them an unlimited power supply. Before going too far ahead, Dr. Weir wants ...

Almost every member of the Atlantis expedition has a day off. Some of them are enjoying their free time or are catching up on some old work. Then Sunday, a day like no ot ...

On a distant moon, Sheppard, McKay, Ronon Dex and Teyla find an elaborate subterranean base. The technology is anything but up to date and the base seems to be abandoned, ...

Since soon after their arrival in Atlantis some 2 years ago, McKay and Sheppard have been playing a computer game. The game has two civilizations, separated by a river, w ...

After a time when the Ancients have been shortly living in Atlantis, they have activated a whole bunch of equipment and devices. The Atlantis researchers team is walking ...