Stargate: Atlantis - Season 4

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 tries to find a way to save Atlantis from its doom. Meanwhile, Dr. Keller races to treat Weir's increasing head injuries, but the only answe...

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 finish the journey to their new planet. (imdb.com)

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? (imdb.com)

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. (imdb.com)

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 fly. Sheppard tricked them and flew with the ship, and 3 of the kidnappers. (imdb.com)

Dr. McKay is in a lab in Atlantis, and he doesn't know where he is, or who he is. There's a computer next to him, with a message telling him to find Teyla; she's the only one who can save them all. McKay is chased by a group of soldiers, led by Major Lorne. (imdb.com)

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. (imdb.com)

The team meets a man with extraordinary prophetic abilities, who gives them a dark prediction about Atlantis' future. Meanwhile, they join forces with a Wraith in an attempt to fix the virus Rodney created earlier to stop the Replicators, that has since malfunctioned. And Woolsey arrives at Atlantis to conduct an evaluation of Carter's command. (imdb.com)

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

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

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

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

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. (imdb.com)

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. (imdb.com)

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

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

The team is being interviewed by the IOA, and Col. Carter is worried about how Ronon will deal with it. She asks Teal'c to coach his fellow warrior. They use the gate to travel to the midway station where they must stay in quarantine for 24 hours before continuing on to Earth. The Wraith however have located the Inter-Galactic Bridge and attack Star Gate Command. It seems that Ronon and Teal'c are the only ones standing in between the Wraith and an invasion. (imdb.com)

A deathly plague is spreading across the Pegasus galaxy. Dr. Keller's research shows that the disease's origin is with the Hoff, who had been working on a way to kill the Wraith. Sheppard and the others think they know who might be spreading the virus and why. Teyla meanwhile believes she is receiving messages from Kanaan. She follows the clues he gives her but she is taken prisoner by an old enemy. In their search for Teyla, Sheppard and McKay find someone completely unexpected. (imdb.com)

Slowly, everyone on Atlantis comes to terms with the re-appearance of Dr. Beckett. He tells them what he was doing in Michael's laboratory and they set off to find the kidnapped Teyla. Sheppard has been using all of his contacts to try and locate Teyla. Teyla in turn has found some of the Athosians alive but they are few in number as a result of Michael's experiments. Michael explains to her just what it is he wants from her as well as his own plans for the future. (imdb.com)

After another search for the missing Teyla, Sheppard returns to Atlantis, only to find it deserted. Worse yet, the entire ocean has completely dried up, leaving a sandy desert! Sheppard then finds a hologram of an aged Dr. McKay, telling him that a solar flare had sent him 48,000 years into the future. Once he learns the demise of Atlantis and everyone on it, he and the holographic McKay must find a way to send Sheppard home and potentially change all of this. (imdb.com)