Complex sentence: The film was released on both DVD and Blu-ray Disc in the US on July 29,2008 and elsewhere in August 2008, followed by a TV premiere on Sci-Fi channel on April 3rd, 2009.
Split into simpler sentences: The film was released on both DVD and Blu-ray Disc in the US on July 29,2008 and elsewhere in August 2008. It premiered on the Sci-Fi channel on April 3rd, 2009.