[s1e19] The Siege: Part 1 Apr 2026

"Stargate: Atlantis" The Siege: Part 1 (TV Episode 2005) - IMDb

"The Siege: Part 1" is the 19th episode of Stargate Atlantis Season 1 and the opening chapter of a high-stakes three-part season finale. As a massive Wraith armada closes in on Atlantis, the expedition must balance desperate technological repairs with growing internal paranoia. Core Plot Developments [S1E19] The Siege: Part 1

: To buy the city more time, Dr. Peter Grodin remains on the failing satellite to ensure it fires. He is killed when the remaining two Hive ships retaliate and obliterate the platform. "Stargate: Atlantis" The Siege: Part 1 (TV Episode

: Tensions peak as Sergeant Bates accuses Teyla of being a security risk due to her mental connection to the Wraith. When Bates is found brutally attacked, suspicion initially falls on Teyla before the hidden Wraith pilot is revealed. Strategic Dilemmas Peter Grodin remains on the failing satellite to

: The team discovers that the Wraith Dart that previously "self-destructed" over the city actually beamed down a pilot. This lone Wraith has been sabotaging Atlantis's systems and is responsible for Teyla’s recent disturbing visions.

: Dr. Rodney McKay, Dr. Peter Grodin, and Lt. Miller travel to an Ancient Lagrangian Point satellite. Powered by a single naquadah generator, the weapon successfully destroys one Wraith Hive ship but suffers a critical failure.