Overview: This trip, Guy's headin' to some joints going all-in on some classic comfort foods. In Chicago, the burger joint with Asian flair proudly serving all things umami. In Memphis, a high-end chef taking low-down Southern staples to whole new level like the chorizo meatloaf with green tomato gravy. And on Oahu, Hawaii, the gas station joint fillin' up the locals with all sorts of island favorites like kalua pork and mahi mahi.