One chef must use a shark jaw as a knife. Then, two chefs must cook out of — and on top of — a suitcase. Finally, a banana nut muffin challenge that drives the chefs both bananas and nuts.

Four chefs are fired up to be named Cutthroat's grill master. One chef makes a dish that almost tastes like chicken. Then somebody feels the heat while tied to a rotisserie. Finally, burgers as never before.

The chefs make: French omelette Carne asada Baked apples

Judged By: Jet Tila

Host Alton Brown revisits some of the worst sabotages of all time. Included: cooking upstream; and canned chicken Parmesan. Also: making crepes becomes even more tricky.

The chefs make: Spinach-artichoke dip Stromboli Belgian waffles

Judged By: Simon Majumdar

The chefs make: Fruit smoothie Chicken tikka masala Oatmeal raisin cookies

Judged By: Susan Feniger

The chefs make: Corn dog Peanut dish Funnel cake

Judged By: Simon Majumdar

The chefs make: Southern biscuit breakfast Chicken nuggets Shortbread cookie

Judged By: Jet Tila

A chef gets hassled by haggis; a pair of chopsticks becomes a huge obstacle for someone; a chef finds struggles with key lime pie.

Guest judge Cat Cora; it's all downhill for three chefs in a bobsled; Swedish meatballs; one chef learns that peanut butter and jelly isn't child's play.

The chefs make: Vegetable soup Philly cheesesteak Molasses cookies

Judged By: Simon Majumdar