Stargate was released on 10/28/1994.
Stargate - The Ark of Truth was released on 03/11/2008.
The first Stargate series, SG-1 was released on July 27, 1997. Then a spin off to the series, Stargate Atlantis was released on July 16, 2004.
The next Stargate movie (Codenamed Project Terzo) is rumored to be released sometime in 2010.
Stargate Worlds will never be released so i dont really see it as a problem.
Only one was released in theaters: "Stargate" (1994). The following were made for television: "Stargate: Continuum" (2008) "Stargate: The Ark of Truth" (2008) "Stargate SG-1: Children of the Gods - Final Cut" (2009). This is a re-cut version of the Stargate SG-1 pilot episode. "Stargate: Extinction" (2011). Based on Stargate: Atlantis.
The television series Stargate was originally released on October 28, 1994. The spin off from Stargate was called Stargate Atlantis and was released in 2004. More information can be found on the Wikipedia website in full detail of the different series as well as the Stargate movie.
Stargate: Worlds has not been released yet. It is currently slated for release in the first quarter of 2010.
Stargate Worlds has been canceled due to budget issues. So it has never been fully released.
Stargate The Lowdown - 2003 TV was released on: USA: 13 June 2003
Stargate Infinity - 2002 Who Are You 1-9 was released on: USA: 9 November 2002
Logan's Run - 1977 Stargate - 1.14 was released on: USA: 6 February 1978
Stargate: The Ark Of Truth is a brlliant film, as I seen it at a screener. It is to released on the 11th March 2008, Region 1. RG. 2. Doesn't yet have a date. Stargate: Continuum SHOULD be released in July 2008 (Region 1), but there have been rumors that it may not be released until the fall (SEPT - NOV) soon before the new Stargate: Universe series is to air. John