The Brief Universal Orlando has added an Ozzy Osbourne-inspired haunted house to this year's Halloween Horror Nights. Halloween Horror Nights will take place at Universal Studios Florida on select nights from Aug. 28 through Nov. 1. The house will also be part of the lineup at Halloween Horror Nights at Universal Studios Hollywood. Universal completes Halloween Horror Nights house lineupOzzy Osbourne: Prince of Darkness is the 10th and final house announced for this year's event. Halloween Horror Nights takes place at Universal Studios Florida on select nights from Aug. 28 through Nov. 1.