Categories Harry Potter and the Half-Blood Prince Trailer Video VIDEO: Harry Potter and the Half Blood Prince Official Trailer and Clip Posted On November 1, 2009May 15, 2021 Written By Gingersnap4Helen No Comments on VIDEO: Harry Potter and the Half Blood Prince Official Trailer and Clip Lord Voldemort Tightens His Grip on the Wizarding World by Gingersnap4Helen | YouTube | November, 2009