The season opens with a desperate race against time. Following a devastating Asuran attack, Atlantis is left drifting in deep space with failing shields and a critically injured leader, Dr. Elizabeth Weir.
: The primary arc focuses on the escalated conflict with the Asurans (Replicators). This culminates in "Be All My Sins Remember’d," an episode featuring one of the franchise's largest space battles where Earth, the Wraith, and the Travelers form an unlikely alliance to destroy the Replicator homeworld. Stargate Atlantis - Season 4 ...
: Teyla Emmagan spends much of the season searching for her missing people, who were kidnapped by the hybrid Michael Kenmore for his genetic experiments. The season opens with a desperate race against time
