The History
Stargate Atlantis premiered on the US Sci Fi Channel on July 16, 2004 with "Rising", a movie-style two-part episode, that guest starred Richard Dean Anderson and Michael Shanks from Stargate SG-1. The series is currently broadcast in several countries around the world; in some places, such as Europe, Canada, Japan and Australia, the series is broadcast in HD. Season 4 premiered in the US on September 28, and in the UK on October 9, 2007. As of October 3, 2007 new episodes of "Stargate Atlantis" were aired in HD in the USA on the SCIFI Channel's new HD network, which was originally available only through DirecTV. As of December 11th, 2007 some Comcast customers began getting the network.