This is the most wanted film trailer by most people at this time. Because this hasn’t been released, so you should call it is only a trailer, like a clip, but this in film. At the film.com, now Harry Potter and the Half-Blood Prince is the number one trailer which most people want to watch it, so, if you are include one of them, you’re lucky has visited this post, below I’ve provided a video trailer for this film, oh yeah, a little information for you, this film has a release date: July 17, 2009 (conventional theaters and IMAX).