In the second hour, the chefs must pair up for their challenge in which they must try and combine two countries' flavors to impress guest judge, Roy Yamaguchi, owner and executive chef of Roy's. Later during dinner service, the chefs try to impress C... (more)hef Ramsay, as well as special guest diners that include actors Kellita Smith ("Z Nation"), Jasika Nicole ("Fringe"), Patrick Renna ("The Sandlot") and Tommy Savas ("State of Affairs").