The team learns that a rogue Wraith has acquired several Z.P.M.s to power a formidable new hive ship — and he is headed for Earth.
In the city of Las Vegas, Detective John Sheppard must solve the case on a long string of unusual murders — perpetrated by a Wraith in hiding.
Dr. Keller’s body is taken over by a cunning thief, while Keller finds herself imprisoned with a death sentence on another planet.
After Todd’s hive ship shows up over Atlantis transmitting a distress call, the team discovers that he and his crew have been stricken with a disease they helped create.
Rodney returns to Earth with Jennifer to witness the triumph of his rival, who believes he has solved the problem of global warming. But when the new technology goes horribly awry, Rodney must help shut down the deadly weather device.
While being evaluated by the I.O.A. Richard Woolsey meets a beautiful scientist new to Atlantis, who is not what she appears. Sheppard is captured and tortured by an enemy he thought was dead.
The team fights to retake control of Atlantis when Michael infiltrates the control room to take Teyla’s child and destroy the city.
A new coalition of human worlds puts the Atlantis team on trial for their alleged crimes against the Pegasus Galaxy.
The Wraith arrive in a village where Dr. Beckett is working, and demand that the locals turn over a group of refugees who survived the Hoffan plague — or the entire village will be obliterated.
Sheppard races to an Ancient laboratory to save McKay and Daniel Jackson before Todd arrives to destroy a weapon that has a devastating side-effect. Daniel uncovers the identity of the hostile new species.