In the series finale, the Atlantis team is contacted by none other than their old friend Todd the Wraith, who tells them an underling has marooned him on a planet and tak ...

In an alternate universe, Detective John Sheppard is with the Las Vegas Police Department and begins to investigate a strange series of murders. This Sheppard is a bit do ...

When Dr. Jennifer Keller begins to act strangely - she doesn't know her way around the ship and doesn't recognize colleagues - it's pretty obvious that something is very ...

Radek discovers an alien device that Rodney finds holds serious surprises. Sheppard runs into a reincarnated Acastus Kolya who plans to attack Atlantis. An IOC representa ...

When the power is shut down and most of the inhabitants are locked out of key controls, it is apparent that Atlantis has been taken over by an off-world group, soon ident ...

The new race that stole the device, not to mention Rodney and Daniel, turns out to be an old one meaning very old and well known to the human race. With an ancient grudge ...

Dr. Daniel Jackson comes to Atlantis in search of a lost Atlantian room. The discovery reveals a new race. Daniel and McKay are kidnapped by the new race and are forced t ...

While on an off-world mission, Rodney McKay acquires a parasitic organism and over a period of a few weeks, degenerates into a child-like reverie. His sister Jeannie trav ...

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 ...

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 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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Teyla is shocked when she sees the ghostly image of a woman in the corridors of Atlantis. The woman is an Ancient in appearance but, initially at least, no one else can s ...

The day Rodney McKay has long been waiting for finally arrives: the inaugural test of the interstellar subway that will link the Pegasus and Milky Way galaxies. Arranged ...

When a team led by Major Leonard is late in returning, Sheppard leads a mission to find what may have happened to them. They find three of the team dead as well as eviden ...

Rodney McKay returns to Earth to visit his sister, Jeannie Milller, after she solves a mathematical proof that may provide for a means for transferring particles to a par ...

The Atlantis team receive a response to one of their probes from a society that seems to be the Ancients. Elizabeth Weir joins Sheppard, McKay and the rest of the team to ...