Dave Mack

The top 15 cooks are challenged to create a dish with an unconventional ingredient in a shocking mystery box challenge.

The contestants travel to Camp Pendleton, California, where they work in teams to prepare a meal for 200 servicemen and women.

Two contestants are on the chopping block, as Graham Elliot joins the top 11 cooks in a mystery box challenge.

The contestants are divided into three teams for a food truck challenge; the losing competitors face a pressure test.

The top 18 contestants must create a dish using duck and bananas; the judges challenge the cooks to use unusual ingredients.

The junior chefs split up into teams and take over the kitchen at an upscale hotel, they are in charge of running room service for the guests, during breakfast time.