Stargate Atlantis - Season 3 Apr 2026

: Initially mistaken for surviving Ancients, the Asurans are revealed as Replicators created by the Ancients to fight the Wraith. This arc culminates in the two-part episode "The Return," where the Ancients briefly reclaim Atlantis before being massacred by the Asurans , forcing the Earth expedition to retake the city.

: The season explores the moral complexities of Earth’s involvement in the Pegasus Galaxy. This includes the implementation of the McKay-Carter Intergalactic Gate Bridge and the introduction of the battle-cruiser Apollo , which carries out a controversial preemptive strike against the Asuran homeworld. Key Characters & Milestones Atlantis Season 3 | SGCommand | Fandom Stargate Atlantis - Season 3

: After the failed retrovirus experiment in Season 2, Michael becomes a rogue agent. He begins experimenting with Iratus bugs to create his own army, positioning himself as a common enemy to both humans and Wraith. : Initially mistaken for surviving Ancients, the Asurans