Kevin Ridlon

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 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 communication 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 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.

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.