Guy Fieri's traveling from sea to shining sea, starting in Key West, Fla., where a food cart has increased its footprint to churn out even more food, like kimchi and Kogi dogs. In College Station, Texas, Guy goes back to an early stop on the DDD road trip, and they're still makin' classic diner staples like meatloaf and biscuits and gravy. Then, in Kailua-Kona, Hawaii, a collision of Hawaiian, Korean and Filipino traditions creates combinations like adobo-style oxtail.