The final three chefs call upon memories from the past to create a four-course meal; the winner is announced.

The remaining four chefs wear blindfolds for their final quick-fire challenge; the chefs use their leadership skills to cater a large event without touching the food themselves.

The five remaining chefs engage in a battle of burgers; guests include actress Zooey Deschanel and filmmaker Morgan Spurlock.

The top six chefs get a surprise as they prepare to cook their signature dishes.

The chefs display their talents in a grocery store; a mystery box holds the ingredients for the elimination challenge meal.

The chefs must each cook an egg using only one hand; guests include actor Neil Patrick Harris.

Creating a quick dish based on color; the chefs must make street food using offal.

The chefs must create an amuse-bouche using ingredients found in a vending machine; making a meal inspired by the television show "Lost."

The first four competitors are introduced; the chefs are challenged to whip up a creative and tasty dessert.