Stargate Atlantis follows a team of scientists and military personnel as they travel through a Stargate, an ancient alien transportation system, to the lost city of Atlantis in the Pegasus Galaxy. The series focuses on the team's quest to find a way back to Earth while facing numerous challenges and threats from various alien species. Throughout its five-season run, Stargate Atlantis received praise for its engaging storylines, well-developed characters, and groundbreaking visual effects.

The Pegasus galaxy's landscapes and the Wraith hive ships look much more immersive.

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The first season of Stargate Atlantis stands as a masterclass in sci-fi world-building. It perfectly balanced the established lore of the Stargate franchise with fresh, high-stakes concepts.

The two-part premiere, "Rising," remains one of the most-watched broadcasts in the history of the Sci-Fi Channel.

Released in 2004 as a spin-off of Stargate SG-1 , Stargate Atlantis follows a multidisciplinary team of scientists and military personnel who travel to the lost city of Atlantis in the Pegasus Galaxy. Season 1 establishes the stakes immediately: the team is cut off from Earth, resources are scarce, and they accidentally awaken a terrifying new predatory enemy known as the Wraith.

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If you are just starting your rewatch, these are the standout episodes from the first season:

Stargate Atlantis Season 1: Relive the Sci-Fi Masterpiece in High Definition