Warning! Not for those with a weak stomach! Check out Robert Irvine top 5 dirtiest restaurants on Restaurant Impossible. 5) Soup to Nuts Diner -Tavares, FL 4) Smitty's Restaurant - Clearwater, FL 3) McShane's Restaurant - East Syracuse, NY 2) Rascal's BBQ and Crab House - New Castle, DE 1) Mama Lee's Soul Food Restaurant - San Antonio, TXTune-in to Restaurant Impossible Wednesdays at 10/9c and Restaurant Express Sundays at 9/8chttp://www.foodnetwork.com/restaurantimpossible