Sci-Fi Channel airs the 41st episode of Stargate Atlantis. Robert Picardo (Star Trek: Voyager) guest stars in the third season premiere. 
Sci-Fi Channel airs the 41st episode of Stargate Atlantis. Robert Picardo (Star Trek: Voyager) guest stars in the third season premiere.
Sci-Fi Channel airs the 42nd episode of Stargate Atlantis.
Sci-Fi Channel airs the 43rd episode of Stargate Atlantis. Richard Kind (Spin City) guest stars.
Sci-Fi Channel airs the 44th episode of Stargate Atlantis.
Sci-Fi Channel airs the 45th episode of Stargate Atlantis. David Odgen Stiers (M*A*S*H) guest stars.
Sci-Fi Channel airs the 46th episode of Stargate Atlantis. Richard Dean Anderson (Stargate SG-1) and Alan Ruck (Ferris Bueller’s Day Off, Twister) guest star.
Sci-Fi Channel airs the 47th episode of Stargate Atlantis. Robert Davi guest stars.
Sci-Fi Channel airs the 48th episode of Stargate Atlantis. Amanda Tapping (Stargate SG-1) guest stars.
Sci-Fi Channel airs the 49th episode of Stargate Atlantis.
Sci-Fi Channel airs the 50th episode of Stargate Atlantis. Amanda Tapping (Stargate SG-1) guest stars.
Sci-Fi Channel airs the 51st episode of Stargate Atlantis. Richard Dean Anderson, Robert Picardo, and Mitch Pileggi guest star.
Sci-Fi Channel airs the 52nd episode of Stargate Atlantis. Mitch Pileggi (The X-Files) guest stars.
Sci-Fi Channel airs the 53rd episode of Stargate Atlantis. Robert Davi guest stars.
Sci-Fi Channel airs the 54th episode of Stargate Atlantis.
Sci-Fi Channel airs the 55th episode of Stargate Atlantis.
Sci-Fi Channel airs the 56th episode of Stargate Atlantis.
Sci-Fi Channel airs the 57th episode of Stargate Atlantis.
Sci-Fi Channel airs the 58th episode of Stargate Atlantis.
Sci-Fi Channel airs the 59th episode of Stargate Atlantis.
Sci-Fi Channel airs the 60th episode of Stargate Atlantis. Jewel Staite guest stars in the third season finale.