Gordon Ramsay coaches another selection of hopefuls, with a job as head chef at his restaurant in Lake Tahoe going to the winner.
The chefs take on a shrimp challenge, in which one hopeful makes a grave error, before a tough opening service for both teams.
The day begins with a Caesar salad challenge. As service begins, Olympic gold medallist Apolo Ohno and NFL star Marshall Faulk take the VIP seats, but which team will shine?.
Trouble brews in the Red team, with Amber questioning their choice of head chef. The challenge sees the teams tackling a reception for newlyweds, before a difficult service.
The teams are tasked with creating Mexican dishes, but only one can enjoy a treat, with the others having to clean out the animal pens. Later, a shock is in store at service.
The teams are challenged to put a twist on some classic Italian dishes, with a top reward for the winning group, and a punishment for the losers.
The teams take on a surf-and-turf dome challenge, with the winners enjoying rooftop surfing above the Las Vegas skyline, while the losers make crabcakes for service.
The chefs are met by a craps table. The winning team earns a special lunch, while a miserable fate awaits the losers. There's no dinner service, but someone must leave, and two contestants must cook for their life to survive.
The contestants take part in the blind taste test, with the winners enjoying a helicopter ride, while punishment awaits the losers. Both teams struggle during service - but who will be sent home?
The teams are asked to create five different burgers, with the winners earning a day at Dig This Las Vegas. Dinner service is a struggle for one team, who cannot stop fighting.
The chefs compete in the inaugural Spell's Kitchen challenge, with a private pool party the reward. Dinner service caters for important charities, but who will be going home?
The Chefs compete in three difficult challenges to prove if they are worthy of a Black Jacket, which all comes down to Nikki and Amber fighting for the final one.
The remaining cooks celebrate their success of making it to the final five. Cody and Mary Lou, who have a budding romance, decide to take their celebration to the hot tub.
The final four cook for club goers who have taken over Hell's Kitchen. Dinner service gives each of the chefs a chance to run the pass, but Gordon is out to sabotage them.
The chefs are treated to a visit from their families and a tour of Las Vegas. However, their trip to the Jubilee Theatre at Caesars Palace soon turns into their final challenge.
The two remaining chefs go head to head for the final time, before the new executive chef at Hell's Kitchen Lake Tahoe is announced.