This season's contestants head to Las Vegas where they participate in the signature dish challenge; the winners of the challenge ride on the world's tallest Ferris wheel while the losers peel 50lbs of shrimp and 1,000lbs of potatoes.

The teams have 20 minutes to see which team can produce the most shrimp dumplings; rapper The Game attends the dinner service.

The contestants are faced with a communications challenge; the winning team goes on a relaxing retreat while the losers prepare for dinner service, which involves gutting 100 pounds of sea bass. VIP guests include astronaut Buzz Aldrin.

A rubber-duck hunt determines which ingredients the contestants will use with duck in a team challenge; the winning team spends the day on a yacht while the losers prepare a duck appetizer. Guests for dinner service include Kris Jenner and Dita Von Teese.

The contestants pair up and prepare three main dishes, each with one of the following holiday themes: July 4th, Mardi Gras and Cinco de Mayo; challenge winners are flown to Santa Inez Valley, where they blend their own wine.

The blue team gains a new member; the team that wins a grocery spelling challenge spends the day flying in a stunt plane, while the losing team makes sangria for dinner service; VIP dinner guests include Thomas Ian Nichols and Omar Benson Miller.

The teams must create six unique dishes for former sous chef Andi; while the challenge winners spend the night in Las Vegas, the losing team makes a mountain of macaroons; dinner service has the contestants cooking for Andi's wedding reception.

Grammy-winning guitarist Steve Vai performs; the contestants must create unique dishes with a limited number of ingredients; the winning team plays a game of paintball while the losing team is faced with delivery day at the kitchen.

The contestants compete in a Bison-dish challenge that test their archery and cooking skills; cowboy-steak night with news commentator Stacey Dash and Olympic gold medalist Phil Dalhausser.

The nine remaining chefs take part in a breakfast challenge, during which their team must make a vegetarian, meat, seafood and sweet dish for surprise judges Suzanne Tracht and David LeFebve. While the winners ride all-terrain vehicles in Palm Springs, the losers prepare fresh-squeezed Orange Juice for a special brunch service featuring celebrity diners Flo Rida and Jeff Dunham.

The teams can only have one chef in the kitchen at a time as they prepare three entrees, each with a different protein; actress Lainie Kazan and comedian Bill Engvali are guests at dinner service.

The chefs must identify ice cream flavors in a blind test challenge; actress Meredith Baxter and Olympic swimmer Haley Anderson are guests at dinner service.

The remaining six chefs must rely on their loved ones to complete Chef Ramsay's Branzino dish; the winning team will be awarded a day at a luxurious spa while the losers have to clean the entire dormitory.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

In the 16th season premiere, chef Gordon Ramsey welcomes his 18 new recruits on the grounds of the U.S. Army training facility. Then, it's survival of the fittest when they face the Signature Dish challenge and their first dinner service, during which they cook for VIP guests Nolan Gould and Erica Ash.

The contestants race in the first annual Crepe Grand Prix challenge for a chance to win a luxurious dining experience on a yacht in Santa Barbara. Later, one team struggles right out of the gate during a dinner service featuring VIP guests Maureen DeWulf and Dash Mihok.

Tensions run high in the house as the teams face their next challenge, which is to make eight unique dishes using a selection of ostrich cuts. While the winners get to go to Big Bear for a zip-lining excursion, the losing chefs have to pluck pine nuts out of pinecones.

The contestants compete in a surf and turf protein relay for the chance to win a day of surfing at the Wavehouse in San Diego. Meanwhile, the losing team must make sausages from scratch. Later, the pressure is on during dinner service when a VIP 12-top are among the night's guests.

A shocking elimination forces both teams to regroup and chart a new course as they take on the Seven Seas Seafood Challenge, which gives the chefs 30 minutes to prepare a fish dish using a variety of fresh ingredients. Later, guitarist Joe Perry and singer Estelle are invited to the dinner service.

The remaining contestants take part in an Ingredient Crossword Challenge. Later, kid-friendly items must be incorporated into the dinner service during a family night with VIP diners, who include actresses Lauren Lapkus and Ciara Hanna.

The remaining contestants are tasked with cooking their own version of a Southern staple, which will be judged by chef Chris Hastings. Later, there's a feeling of determination to impress VIP guests J.J. Redick, Blake Lewis, Mircea Monroe and Adrienne Maloof at dinner service. However, stress levels rise and Ramsay makes a shocking decision.

A change leaves the chefs in shock as they prepare to host the International Ballroom Invitational. This special event calls for a special menu, which includes a raw bar that requires one team to break down lobster, scrub clams and oysters, and steam up crabs.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

The chefs pair up for a challenge in which they must combine two countries' flavors to impress Roy Yamaguchi.

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The remaining chefs are challenged to create their dishes with only six ingredients.

The remaining chefs must create a unique dining experience for a large group of well-known chefs.

The final two chefs prepare for their final service.