Jared Bobkin

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.

Chef Ramsay invites 16 all-stars back to the kitchen for a second chance to prove they have what it takes; a twist on the infamous Signature Dish Challenge; Ramsay stuns the chefs with an announcement.

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.

The 16 chefs compete in their first individual challenge; a dinner service with chef tables; Ramsay makes a shocking decision during elimination.

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.