The final two chefs head to New York City and compete in a Thanksgiving-themed showdown.
The remaining chefs are challenged to make a seductive snack and cocktail in a half hour. In the Chairman's Challenge, chefs must create a three-course meal using luxurious ingredients.
After the competition moves to Las Vegas, chefs must complete a wedding party dish using the Secret Ingredient chocolate. Later in the Chairman Challenge, chefs are challenged to create dishes presentedbuffet-style.
In the first challenge, chefs are challenged to show respect to the potatoand create a dish with it in 45 minutes. Later in the Chairman's Challenge chefs must create four dishes, one representing America's North, South, East and West.
In the "Transformation" Secret Ingredient Challenge chefs must transform traditional condiments into a unique dish. Later, chefs arrive at the San Deigo Fair and must use ingredients from the concession stands.
In the resourcefulness themed Secret Ingredient Challenge, the remaining eight chefs must make a tasty snack using pickles. Later, the chefs go fishing and must cook whatever they catch.
The nine remaining chefs are challenged to get inspiration from a coffee house to makeone dish using doughnuts and one using coffee. Later in the Chairman's Challenge, chefs must innovate classic american diner fare to the level of Iron Chef cuisine.