• Air date: 14 Jul '06 20 episodes
      Season three of Stargate Atlantis, an American-Canadian television series, began airing on July 21, 2006 on the US-American Sci Fi Channel. The third season concluded after 20 episodes on February 5, 2007 on the Canadian The Movie Network. The series was developed by Brad Wright and Robert C. Cooper, who also served as executive producers. Season three regular cast members include Joe Flanigan, Torri Higginson, Jason Momoa, Rachel Luttrell, Paul McGillion, and David Hewlett as Dr. Rodney McKay.
  • List of Episodes (20)
    • 1. No Man's Land (2)

      14 Jul '06
      The team desperately attempts to stop two Wraith hive ships from reaching Earth. Sheppard must rely on an old foe to rescue McKay and Ronon.
    • 2. Misbegotten (3)

      21 Jul '06
      The Atlantis team must decide the fate of a colony of Wraith they have turned into humans. Dr. Weir must defend her leadership when she is evaluated by the I.O.A.
    • 3. Irresistible

      28 Jul '06
      Sheppard's team meets an obnoxious man who is adored by all thanks to a secret that he carries -- and who has an unexpected affect on them.
    • 4. Sateda

      04 Aug '06
      Ronon Dex is captured by the Wraith and returned to his homeworld, where he is haunted by his past as he is forced to once again become their prey.
    • 5. Progeny

      11 Aug '06
      Weir and the team visit an advanced civilization that split off from the Lanteans thousands of years ago, but discover that they may not have left Atlantis in peace.
    • 6. The Real World

      18 Aug '06
      Elizabeth Weir wakes up in a mental institution, where she is told that the expedition to Atlantis and the Stargate are figments of her imagination.
    • 7. Common Ground

      25 Aug '06
      Colonel Sheppard finds himself the prisoner of a Genii commander, along with a desperately hungry Wraith who has been separated from his hive.
    • 8. McKay and Mrs. Miller

      08 Sep '06
      Rodney McKay is reunited with his estranged sister back on Earth, who has given up a brilliant career as a scientist to raise a family.
    • 9. Phantoms

      15 Sep '06
      Sheppard and Ronon are influenced by a mind-altering device created by the Wraith while on a mission to rescue a lost team.
    • 10. The Return (1)

      22 Sep '06
      The Atlantis expedition is stunned to learn that a ship full of Ancients is returning to reclaim their lost city.
    • 11. The Return (2)

      20 Nov '06
      The Atlantis team goes against orders to try and save Atlantis from Replicator control -- and to rescue General O'Neill and Richard Woolsey, who are trapped in the occupied city.
    • 12. Echoes

      27 Nov '06
      The inhabitants of Atlantis begin to suffer ill effects when the planet's whale population begins migrating to the island city, bringing an unexpected harbinger of doom.
    • 13. Irresponsible

      04 Dec '06
      The team finds Lucius Lavin manipulating the people of another hapless planet, using Ancient technology to pose as an invincible hero.
    • 14. Tao of Rodney

      11 Dec '06
      After an Ancient device gives Rodney superhuman powers, his enhanced brilliance is checked only by his impending death -- unless he can learn how to ascend.
    • 15. The Game

      18 Dec '06
      Sheppard and McKay discover that their competitive video game has been controlling a planet of real people, who now stand on the brink of war.
    • 16. The Ark

      08 Jan '07
      The team discovers the last of a civilization in suspended animation, whose survival is at risk when their station is critically damaged.
    • 17. Sunday

      12 Jan '07
      The team tries to relax during a mandatory day off, until an explosion leaves three people dead -- and reveals that one scientist is a walking time bomb.
    • 18. Submersion

      15 Jan '07
      The team discovers an Ancient drilling station deep beneath the surface of the ocean, only to find that a Wraith queen is still alive there.
    • 19. Vengeance

      29 Jan '07
      The Atlantis team investigates the disappearance of one of their allies, only to find an old enemy engineering a race of powerful monsters.
    • 20. First Strike (1)

      05 Feb '07
      An unstoppable energy weapon leaves Atlantis under seige after Earth launches a preemptive attack against a very powerful enemy's homeworld.