MasterChef: The Professionals
Episode 6
S4 E6:
Five of the original ten chefs have 12 minutes to extract the marrow from a bone and then prepare a dish with it. At the end, Monica and Gregg must decide who will be leaving the competition. Then, the four remaining chefs are given an hour to recreate two classic oyster recipes - oysters Rockefeller and oysters Kilpatrick - before creating their own classic dish.