Guy Fieri and his kid Hunter like the revitalizing Kealia plate at Hanalei Poke in Hawaii, which features fresh ahi tuna, mango and watermelon! See #DDD, Fridays at 9|8c + sign up for #discoveryplus to stream the entire library and so a lot more:. Subscribe to Food Network ▶ Guy Fieri takes a cross-country trip to visit some of America's timeless "oily spoon" restaurants– diners, drive-ins and dives– that have been doing it right for years. Capture…