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 power completely. Dr. McKay is challenged to the max as he ...

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 steal one of their many ZPMs to bring the city back to life, and...

While on a regular mission, Ronan runs into some Satedan friends from his past. As old emotions start to return, new thoughts come with them, one of which involves leaving Atlantis. But could danger be lurking just around the corner?

While exploring a new planet, Sheppard started to watch a strange crystal. He doesn't know why, but he had to touch it. Back on Atlantis, everybody but him started to have some bad nightmares.

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 Wraith. He was forced to help them make an Ancients' ship f...

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. The problem began some 14 hours before when Dr. Katie Brown r...

Teyla and Dr. Keller go to the Athosians' new planet, where they discover that the Athosians have gone missing. It seems to be the work of a warrior tribe, the Bola Kai.

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 to help her. When they arrive, Dr. Keller realizes that the ...

When McKay's sister Jeanie is kidnapped, the team returns to Earth to find her.

When what appears to be a satellite crashes into Atlantis, the team becomes aware of strange behaviour on the base.

The Atlantis team decides to attack the numerous ships of the Replicators, with the help of uneasy alliances.

A transmission from space leads the team to the discovery of a breeding ground for Wraith soldiers.

The entire city locks down for a false quarantine, leaving people stranded with a decreasing amount of oxygen, while Rodney is unable to reach a computer.

Sheppard and McKay must escort a prospective queen as part of their diplomatic duties, unaware that an ambush has been set by some familiar enemies.

After returning to Earth for his father's funeral, John Sheppard discovers the existence of a human form Replicator loose on the population.

Keller, Carter and McKay are stranded in an abandoned Genii mine while off-world.

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 with a pregnant Teyla having been interviewed and reporting...

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 research shows however that the disease's origin is with the Hoff...

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 them what he was doing in Michael's laboratory and they set o...

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 entire ocean has completely dried up, leaving a sandy desert!...