Diners, Drive-Ins and Dives: Stellar Sandwiches and Big-Time Burgers

SINOPSE

Guy Fieri's unhinging the jaw for some stellar sandwiches and big-time burgers. In Palm Desert, CA, a market-deli is piling up the porchetta; a burger joint is adding over-the-top twists. In Nashville, a Vietnamese spot is making the bomb banh mi.