Stargate Atlantis 2004
With the Ancients' city of Atlantis discovered in the Pegasus Galaxy by Stargate Command, Dr. Elizabeth Weir and Major Sheppard lead a scientific expedition to the ancient abandoned city. Once there, the team not only find themselves unable to contact Earth, but their explorations unexpectedly reawaken the Ancients' deadly enemies, The Wraith, who hunger for this new prey. Now with the help of newfound local allies like Teyla Emmagan, the Atlantis Team sets about to uncover their new home's secrets even as their war of survival against the Wraith begins.
Specials
2004
4 episodes
Specials of Stargate Atlantis premiered on July 3, 2004.
Season 1
2004
20 episodes
Season 1 of Stargate Atlantis premiered on July 15, 2004.
The Atlantis expedition team, led by Dr. Elizabeth Weir, arrives in the Pegasus Galaxy and discovers the lost city of Atlantis. They encounter a powerful new enemy, the Wraith, and face various challenges to protect their new home while exploring the galaxy and seeking new allies.
Season 2
2005
20 episodes
Season 2 of Stargate Atlantis premiered on July 15, 2005.
As the Wraith threat intensifies, the team strives to find ways to defend Atlantis and the Pegasus Galaxy from impending invasion. Key episodes focus on breakthroughs in ancient technology, dangerous alliances, and a desperate search for a means to stop their enemies once and for all.
Season 3
2006
20 episodes
Season 3 of Stargate Atlantis premiered on July 13, 2006.
The team faces escalating conflicts with both old and new adversaries, including the Wraith and a deadly new faction. The discovery of a potential game-changing technology introduces new ethical dilemmas, while relationships within the team are tested under growing pressures.
Season 4
2007
20 episodes
Season 4 of Stargate Atlantis premiered on September 27, 2007.
With changes in leadership and new allies, the team continues to battle the Wraith and confront new existential threats. Personal dynamics shift as members struggle with loss and make significant choices that shape the fate of Atlantis and its mission in the Pegasus Galaxy.
Season 5
2008
20 episodes
Season 5 of Stargate Atlantis premiered on July 10, 2008.
As Atlantis faces its greatest threats yet, the team must rely on unexpected alliances and new technologies to safeguard their city and the galaxy. The season builds toward a climactic confrontation that tests the strength, ingenuity, and resolve of the entire expedition.