Guy Fieri hits up his favorite Italian joints from over the years. In Scottsdale, Arizona, a real-deal Italian grocer crankin' out scratch-made staples like gnocchi and prosciutto that bring a tear to Guy's eye. And a San Antonio pizzeria serving authentic Neapolitan pie -- and they have the papers to prove it. Plus--BONUS! Guy pops into a by-the-slice stand in Austin, Texas, that the Nation has never seen before.