Overview: Mrs. Potato Restaurant (Orlando, Fla.) • Alcenia's (Memphis, Tenn.) • Evelyn's Drive-In (Tiverton, R.I.) This trip, Guy's headin' back to some of his favorite surf and turf spots. In Orlando, a Brazilian joint famous for overstuffed potatoes now cookin' up even more South American specialties. In Memphis, revisitin' a from-scratch soul food spot carryin' on Momma's traditions and startin' some of their own. And on the waters of Rhode Island, a seasonal shack uppin' their game with a lobster BLT and a two-pound fried seafood platter.