Guy Fieri searches out great food on three coasts: Amazing fried clams, clam cakes, and lobster chow mein -- at a Rhode Island legend lots of people arrive at by boat; Seafood done Mediterranean style -- including fresh octopus -- by a Spanish chef at local favorite near Tampa; And awesome burgers by the beach at a California joint run by an ex surfer, whose motto is, No shirt, no shoes, no problem.