With the help of former HELL'S KITCHEN contestants, the top two chefs prepare their menus for the most important dinner service of their life. Later, pressure mounts on both teams to execute a flawless dinner service, but in the end, only one chef will be crowned HELL'S KITCHEN winner.

It is the season finale of 'Hell's Kitchen: Head Chef's Only', and it is down to the finale two head chefs. With the help of some old friends, the finalists will compete in a final dinner service with their very own custom menu tailored to their unique tastes and signature dishes.

Special guest judge and fish-cooking expert Chef Michael Cimarusti joins Chef Ramsay, as the remaining contestants compete in a special challenge involving creatures of the sea. Then, during dinner service, the chefs aim to impress a host of VIP guests, including actor Aleks Paunovic, rapper E-40, professional dancer Cheryl Burke and actor Dan Bucatinsky. With two chefs fighting bitterly for authority and another struggling to communicate, Chef Ramsay is less than pleased. Find out who doesn't make the cut.

The final two chefs compete in their final dinner service

Twenty aspiring restaurateurs hoping to impress Ramsay present their signature dishes; after the opening night dinner service, contestants face elimination.

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 chefs must create a pizza inspired by their assigned country; Marino and special guest judge Steve Samson determine the winner; a dinner service and elimination.

The remaining 11 chefs are challenged to cook variations of the three favorite foods of the honoree for his Bar Mitzvah. The dinner service seems to go well, but not for one contestant.

Chef Ramsay sends the remaining chefs off to New Jersey to dine in the Borgata Hotel Casino and Spa, where one of them will be running a restaurant. When the chefs return, they are asked to create their signature dish which they would serve in their restaurant should they win.

The final two chefs prepare for their ultimate challenge. They must design their restaurants as well as create a winning menu. But they won't be there to oversee the renovations- Chef Ramsay flies them back to the Borgata where they compete to wow the Hotel's CEO with their signature dish.

Ramsay uses a unique recipe challenge to strengthen team communication; the teams work together to prepare a dinner service with special guests, including TV host Wendy Williams.

The teams must identify proteins and match them to their dishes, with the winners getting a day at the beach with water polo players Genai Kerr, Shea Buckner and Tumua Anae; family night dinner service.

The teams compete to create the best Italian opera-inspired dishes, with the winning team getting a shopping trip and a VIP dinner; the teams provide dinner service for guests, including members of the Italian Consulate.

The teams meet new members before heading into a team challenge in which each member must prepare a tasting menu for a Best in Show Competition with the American Kennel Club.

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.

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With Melissa saved from elimination, she now must join the men's team and compete against the women to see which team can prepare the best lobster dish. At that evening's dinner service, one team turns in a performance to remembered.

Chef Ramsay starts the challenge by having his mother present her own mac 'n cheese and then producing his own more elegant version. Each of the five remaining contestants must take a randomly selected comfort food dish and re-create it as a gourmet version. A new surprise team of judges brings the contestants to tears.

The chefs receive their first challenge, create a gourmet pizza. The winning team will head to Santa Barbara for a gourmet meal, while the losers will be sentenced to taking pizza orders during dinner service and then deliver them, at which one contestant is rushed to the hospital after suffering an accident.

A relay race puts both teams to the test, with a sunny reward on the line. To up the stakes, the losing team faces a top-to-bottom complete restaurant cleaning. At the evening's dinner service, the teams are required to serve items from menus that they each created. One chef is called out for serving a disgusting extra ingredient in the food -- their own sweat. Chef Ramsay makes an unprecedented move at the evening's elimination.

After sending the chefs to an Asian market, Chef Ramsay challenges them to create three Asian-fusion dishes utilizing poultry, seafood and beef. The teams then present their dishes for judging by Chef Ramsay and Tanya Steel, Editor-in-Chief of Epicurious.com. The following night, the teams go head-to-head at dinner service, and tensions run high as chefs from both teams crack under pressure. Chef Ramsay throws in a last-minute twist before sending the losing chef home.

Both teams are challenged to prepare eggs four different way. The team that cooks the most eggs properly wins a helicopter ride over Los Angeles. Meanwhile, an argument between one of the chefs and Chef Ramsay during dinner service causes one team to crash and burn.

Twenty aspiring restaurateurs present their signature dishes to Ramsay -- and an audience -- in Las Vegas; while the challenge winners earn a night out on the town, the losers must head back to Los Angeles on a school bus.

The teams must create five steak dishes; a diner finds an unpleasant surprise in her dish during dinner service; the elimination round brings out bad tempers.