It may be the key to great bbq - but what's in a rub is a closely guarded secret - watch what happens as Bobby tries to get to the bottom of this bbq mystery. We visit Santa Maria California for tip secrets, Memphis for ribs and the oldest restaurant in San Francisco for seafood secrets. Then it's on to the Kansas city's Old World Spice Factory. Recipes in This Episode * Rib Dry Rub * Chipotle Chile Rub * "Santa Maria Style BBQ" Oakwood Grilled Tri-tip * Chilean Sea Bass* * Italian Halibut * Petrale * Swordfish