Hollywood - Harry Potter's July 2009 flick finally releases its Final trailer. The YouTube video with 2:26 length covers the exciting and much anticipated scenes of the movie. With 5-star effects and caliber cast members, Potter prod team aims to record a staggering five-day box-office gross. Previously reported, the Harry Potter 2009 flick will be shown 2 days earlier than planned, the second change on the calendar for "Half-Blood Prince," which was originally slated for a fall release until the studio shifted the film to a summer opening.