As Atlantis faces its greatest threats yet, the team must rely on unexpected alliances and new technologies to safeguard their city and the galaxy. The season builds toward a climactic confrontation that tests the strength, ingenuity, and resolve of the entire expedition.
5 - 1Search and Rescue (2) Jul. 10, 2008
5 - 2The Seed Jul. 17, 2008
5 - 3Broken Ties Jul. 24, 2008
5 - 4The Daedalus Variations Jul. 31, 2008
5 - 5Ghost in the Machine Aug. 14, 2008
5 - 6The Shrine Aug. 21, 2008
5 - 7Whispers Sep. 04, 2008
5 - 8The Queen Sep. 11, 2008
5 - 9Tracker Sep. 18, 2008
5 - 10First Contact (1) Sep. 25, 2008
5 - 11The Lost Tribe (2) Oct. 09, 2008
5 - 12Outsiders Oct. 16, 2008
5 - 13Inquisition Oct. 19, 2008
5 - 14The Prodigal Nov. 06, 2008
5 - 15Remnants Nov. 13, 2008
5 - 16Brain Storm Nov. 20, 2008
5 - 17Infection Dec. 04, 2008
5 - 18Identity Dec. 11, 2008
5 - 19Vegas Dec. 18, 2008
5 - 20Enemy at the Gate Jan. 08, 2009