Iron Chefs Michael Symon and Geoffrey Zakarian go face to face with a team of Austro-German chefs, led by Bernhard Mairinger, Executive Chef at Bierbeisl in Beverly Hills, Calif. To celebrate the Bavarian holiday of Oktoberfest, the theme is an assortment of Bavarian ingredients, including pork, veal, pretzels, and beer. Judges are Valerie Bertinelli, Karine Bakhoum and Eugene Remm.