This day in theme parks, September 4th: Uni Social 2010 null 2011 Even the streets of #HHN 21 will be crawling with evil…which scarezone will have you running for safety first? — Halloween Horror Nights (@HorrorNightsORL) September 4, 2011 2012 @pennjillette & @mrteller are at it again at #HHN22 as […]