When we're eating out, we expect the places that make our food to be as clean as possible. But almost two million of us get sick every year. What's happening behind the scenes? Marketplace goes undercover in some of your favourite chains to reveal Canada's Restaurant Secrets. We've pored over thousands of inspection reports from coffee shops, fast-food and family dining restaurants and we'll reveal who comes out on top. Celebrity chef Roger Mooking joins us for a crash course in kitchen hygiene in our special one-hour season finale! Where does your favourite restaurant rank?