- MGM Television: Stargate
Official MGM site for all things Stargate, including Stargate Atlantis, Stargate SG-1, and Stargate Universe. Features episode guides, character profiles, video clips, and community forums.
- Wikipedia: Stargate Atlantis
Article on Stargate Atlantis, a spinoff of the sci-fi television series, Stargate SG-1. Features plot summary, production details, cast, and trivia.
- TV.com: Stargate Atlantis
Episode guide, cast and crew information, analysis, polls, reviews, and more about Stargate Atlantis.
- GateWorld: Stargate Atlantis
News, photos, spoilers, and episode and character guides for Stargate Atlantis.
- IMDb: Stargate Atlantis
Cast overview and links for Stargate Atlantis, the Stargate spinoff in which scientists and military personnel explore the Pegasus Galaxy.
- Stargate Alpha
Provides a magazine and an interactive section, which offers a chance to join one of the Alpha Teams, form a squad, work with other site members, and take on the training exercises. Includes information on Stargate Atlantis.
- Atlantica Fansite
Stargate Atlantis fanlisting connects aficionados of the show and offers a show overview, episode guide, fan fiction and art, favorite quotes, and character profiles.
- MGM Television: Stargate Atlantis
Official MGM site of Stargate Atlantis with video clips, photos, news, and fan community.
- Stargate SG-1 Information Archive: Atlantis
News, schedule, episode guide, and cast overview for the Stargate spinoff, Stargate Atlantis.