Stargate Atlantis is a Canadian

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

-American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 adventure

Adventure film

Adventure films are a genre of film.Unlike pure, low-budget action films they often use their action scenes preferably to display and explore exotic locations in an energetic way....

 and military science fiction

Military science fiction

Military science fiction is a subgenre of science fiction in which the principal characters are members of a military service and an armed conflict is taking place, normally in space, or on a planet other than Earth...

 television series and part of MGM's Stargate franchise

Stargate

Stargate is a adventure military science fiction franchise, initially conceived by Roland Emmerich and Dean Devlin. The first film in the franchise was simply titled Stargate. It was originally released on October 28, 1994, by Metro-Goldwyn-Mayer and Carolco, and became a hit, grossing nearly...

. The show was created by Brad Wright

Brad Wright

Brad Wright is a Canadian television producer, screenwriter and actor. He is best known as the creator or co-creator of the television series Stargate SG-1 , Stargate Atlantis and Stargate Universe...

 and Robert C. Cooper

Robert C. Cooper

Robert C. Cooper is a Canadian writer and producer best known for his work in the Stargate franchise. He was formerly an executive producer of Stargate SG-1 and Stargate Atlantis until both series conclusion and currently holds the same title on the third Stargate series Stargate Universe...

 as a spin-off

Spin-off (media)

In media, a spin-off is a radio program, television program, video game, or any narrative work, derived from one or more already existing works, that focuses, in particular, in more detail on one aspect of that original work...

 series of Stargate SG-1

Stargate SG-1

Stargate SG-1 is a Canadian-American adventure and military science fiction television series and part of Metro-Goldwyn-Mayer's Stargate franchise. The show, created by Brad Wright and Jonathan Glassner, is based on the 1994 feature film Stargate by Dean Devlin and Roland Emmerich...

, which was created by Wright and Jonathan Glassner

Jonathan Glassner

Jonathan Glassner is a television writer, director, and producer. He is known for his involvement with Stargate SG-1 and The Outer Limits. Glassner was initially noticed as a writer for his work on Alfred Hitchcock Presents...

 and was itself based on the feature film Stargate

Stargate (film)

Stargate is a 1994 American adventure-military science fiction film released through Metro-Goldwyn-Mayer and Carolco Pictures. Created by Dean Devlin and Roland Emmerich, the film is the first release in the Stargate franchise...

 (1994). The first three seasons of Stargate Atlantis were broadcast by The Sci-Fi Channel

Syfy

Syfy , formerly known as the Sci-Fi Channel and SCI FI, is an American cable television channel featuring science fiction, supernatural, fantasy, reality, paranormal, wrestling, and horror programming. Launched on September 24, 1992, it is part of the entertainment conglomerate NBCUniversal, a...

 and The Movie Network

The Movie Network

The Movie Network is a Canadian English language Category A premium television service, owned by Astral Media. The service is licensed to operate east of the Ontario-Manitoba border, excluding the territories...

, while the final two seasons aired exclusively on Sci-Fi. The show premiered on July 16, 2004; its final episode aired on January 9, 2009.