Challenges include digging for clams, cooking turkey burgers while wearing arm weights, and making a tart with fruits that are often mistaken for vegetables.

Chocolate challenges are presented to the competing chefs, one of whom has to face Alton's conveyor belt.

A deli sandwich is made with ingredients from a vending machine; two chefs have to cook each other's tacos; and a lazy sundae drive around the kitchen is offered up as the final obstacle. Anne Burrell is the special guest judge.

One chef has to wear a potato masher on their hand, while preparing gnocchi. Other challenges include cooking drunken noodles on a keg of fire; and making thumbprint cookies, without the use of thumbs.

One chef has to use finger tools, when making a bacon-wrapped dish; a race-car seat becomes an obstacle to serving a winning lasagna; and the final challenge involves a black-and-white cookie.

Challenges involve making an omelet, oysters Rockefeller and a cream puff.

Obstacles must be overcome as the chefs make tuna melts, Salisbury steak and scones for judge Antonia Lofaso.

Eggs must be harvested from a chicken coop, in order to prepare a dish for judge Simon Majumdar; and later, two chefs cook British pub food in a double-decker bus. Also: the last challenge is sandwich cookies in milk bottles.

A chef's only tool, when making bahn mi, is a martini glass. Later, ingredients for tortilla soup must be whacked out of a piñata; and a galette has to be baked on a tennis racket.

Springtime dishes (and obstacles) are featured, including an egg-salad sandwich on a picnic blanket. Also: one chef has to herd sheep while making a lamb dinner; and ingredients for dessert must be harvested out of a carrot garden.

Part 1 of 5. Fish stew is cooked in a canoe; preparing pasta carbonara in a moving mine cart proves challenging; and during the final round, pound cake is made using a chemistry set.

Previous contestants return for a battle that features Alton's most evilicious sabotages yet. Included: three chefs have to make a stir-fry while sitting in airline seats. Also: challenges involve chicken fried steak and cobbler.

Part 3 of 5. The chefs take on challenges involving a cardboard car, an underwater scallop dish and wearable donuts.

Part 4 of 5. The Evilicious Tournament continues, as the chefs play musical sushi rolls and fashion runway cooking. Also: pies are made while wearing carved pumpkins.

Conclusion. The Evilicious tournament comes to a close as the finalists compete in challenges that include: meatball prep in a ball pit; preparing a teriyaki dinner while on a seesaw; and harvesting coconuts from a tree to make macaroons.

Chefs are asked to overcome major obstacles and acts of sabotage in this reality competition.

Chefs are asked to overcome major obstacles and acts of sabotage in this reality competition.

Chefs are asked to overcome major obstacles and acts of sabotage in this reality competition.

Chefs are asked to overcome major obstacles and acts of sabotage in this reality competition.

Chefs are asked to overcome major obstacles and acts of sabotage in this reality competition.

Chefs are asked to overcome major obstacles and acts of sabotage in this reality competition.