While pizza purists in Brooklyn and Naples insist on classic ingredients, innovative chefs in Japan and beyond are redefining what makes a good pie.

While Peter explores the many flavors and styles of U.S. barbecue, Dave samples mind-blowing Peking duck, yakitori and Korean barbecue.

Dave learns the tricks to making Nashville hot chicken, scopes out KFC's China menu and delves into the loaded history of soul food.