Watch World's Greatest Festivals The Ultimate Guide to America's Greatest Festivals

The introductory episode with scenes from five festivals and the one event - New York Fashion Week. The film features behind the scenes chance ecounters with celebrities such as Paris Hilton, Robert De Niro and Dustin Hoffman, Sigourney Weaver at New York Fashion Week, performance such as Usher, David Chapelle and Ludacris at the Kentucky Derby, assorted ghouls and zombies at New York Halloween, Hell's Angeles MC club members at Sturgis Bike Week and herds of charging bulls at the Running of the bulls Festival in Spain, extremely wild street revelry at New Orleans Mardi Gras and the strangest festival of all - the Burning Man Festival in the middle of nowhere.