Saigon Noodle & Grill (Orlando, Fla.) • Marlowe’s Ribs and Restaurant (Memphis, Tenn.) • Silk City Diner and Lounge (Philadelphia, Pa.) This trip, Guy’s catchin’ up with some of his favorite Triple-D spots. First up, a taste of Vietnam in Orlando, where a husband-wife duo are crankin’ out three times the servings of their killer phở than before. Then in Memphis, Graceland meets Flavortown at a joint smokin’ sweet and tangy barbecue and dishin’ dessert fit for The King. And in Philly, an old school diner puttin’ their spin on classics like ham empanadas and cheesesteak egg rolls.