Hell's Kitchen - Season 15

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 Ferries wheel while the losers peel 50 pounds of shrimp and 1,000 pounds 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 determines which ingredients the contestants will use with duck in a team challenge; the winning team spends the day on a yacht while the losing team prepares a duck appetizer; guests 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 Fourth, Mardi Gras and Cinco de Mayo; challenge winners are flown to Santa Inez Valley, where they blend their own wine.

A new member joins the Blue Team before a grocery spelling challenge, after which the winners go flying in a stunt plane, while the losers make sangria. Later, Thomas Ian Nicholas and Omar Benson Miller are VIP guests for a tense dinner service that offers some chefs the chance to shine as their competitors fall apart.

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 tests their archery and cooking skills; cowboy steak night with news commentator Stacey Dash and Olympic gold medalist Phil Dalhausser.

The teams make vegetarian, meat, seafood and sweet dishes for the surprise judges; the winners go to Palm Springs while the losing team has to squeeze oranges

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 comic Bill Engvall are guests at the dinner service.

The chefs must identify ice cream flavors in a blind taste test challenge; actress Meredith Baxter and Olympic swimmer Haley Anderson attend the 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.

The chefs prepare high school lunch dishes, and teenagers act as the judges; the winner gets a trip to San Francisco's Levi Stadium, while the losers must sort recyclables from an abundance of trash; actors Randy Couture and Neil Jackson visit.

The chefs must create a steak dish and two sides in 40 minutes to be submitted to the scrutiny of chef Ari Rosenson; during dinner service, the chefs take turns leading the kitchen; two chefs advance.

After facing a number of grueling challenges and dinner services, this season's finalists will compete one last time to see who will be victorious and claim the winning prize of $250,000 and a Head Chef position at BLT Steak at Bally's Las Vegas. During the finale, the Top Two finalists will create five stunning dishes, cold and hot appetizers and main entrées featuring chicken, beef and fish. Each dish will be rated by a group of esteemed judges.