Thanks to Stargate fandom, The franchise has spawned other media including books, television series, video games, comic books and audiobooks. These supplements to the film and series trilogies comprise another universe than the series and the film, and have resulted in significant development of the series' fictional universe. These media kept the franchise going in the interim between the film and series trilogies. In 2008, Stargate: The Ark of Truth and Continuum was released direct-to-DVD, which in total grossed over 21 million in the United States. In 2002, the franchise's first animated series, Stargate Infinity, was released as an introduction to the Expanded Universe. In 2004, Stargate Atlantis was released as a spin off from Stargate SG-1 and a new Stargate spin off series entitled