The winning chef is named in the Season 4 finale. Before that, the final two culinarians battle it out by creating a dish with the help of staffers from their own restaurants back home.

This week the chefs will battle it out -- facing off in a boxing ring to serve our critics and boxing champ, Sugar Ray Leonard. The winner of the first match will compete against the winner from the second match in a third match for the win and $10,000. The losers from the first and second match will face off one last time to determine who will be sent packing. Special guest judge is Sugar Ray Leonard.

The ace chefs instruct a mystery guest to make a dish in the penultimate Season 4 episode. Later, they mentor culinary students.

The chefs are tasked with using aphrodisiac ingredients while creating dinners that would be appropriate for a first date.

It's a Quickfire with a very specific focus: the leg. Once the chefs have butchered and prepared their dishes, they must then turn their skills to an even bigger challenge, preparing a tailgate feast for college football fans.

Taking inspiration from Top Chef Chicago's season four, the remaining chefs must use unusual pairings from Los Angeles' The Groundlings improv troupe to create dishes.

The chefs are asked to create Quickfire dishes inspired by Simpsons characters who then judge them, and then they must turn their skills toward making offal tasty in a surf & turf presentation.

The Masters are challenged to create a divine dish inspired by a Greek God. The blind taste test returns with the "Name That Ingredient" Quickfire, and then the chefs look to Greece and the ancient gods as inspiration for their elimination dishes.

The meal mavens prepare cuisine for a wedding.

Convincing high-brow clients of pub grub's merits is tonight's seemingly impossible challenge for the chefs as they try to show that flair and flavor can be found in other than haute cuisine. Competing chefs, Graham Elliot Bowles, Jonathan Waxman, Ludo Lefebvre, Mark Peel, Rick Moonen and Wylie Dufresne are tasked to reimagine old-school pub grub.

op Chef Masters Season Two there are only five chefs left to compete in the first level for the final two spots in the champion round. Susur Lee, Rick Tramanto, Maria Hines, Debbie Gold, and Jody Adams. All but Susur have been awarded a James Beard. The chefs dabble in craft service as they prepare meals for the cast and crew of ABC's Modern Family.

On this week’s episode, the chefs will be creating an aphrodisiac dish using known aphrodisiac ingredients. The chef whose dish really turns them on will be the winner for this challenge. Lotus of Siam is a legendary Nevada Culinary landmark that has amassed award after award. For this Elimination Challenge, our chefs will be faced with the task of creating their own Thai restaurant in the Top Chef Masters kitchen and attempting to create their own versions of classic Thai dishes. Special guest judge is Dita Von Teese.

The chefs cater a celebrity birthday party. This time it’s Mekhi Phifer and he’s requesting a soul food-themed feast for his birthday party. The chef’testants up to bat tonight are David Burke, Marcus Samuelsson, Monica Pope, Thierry Rautureau and Carmen Gonzalez.

Top Chef's brutal tag team relay begins the first champions round Quickfire, followed by the dreaded wedding elimination challenge—the first time the master chefs have seen this particular trial—and this time there's no cheats: the person with the lowest score packs their knives, so everyone must put his or her best dish forward… even if it is a wedding cake.

In this week’s Quickfire challenge the Chefs must make a dynamic duo dish for a couple of dynamic musicians – The Indigo Girls. For the elimination challenge, the Chefs are tasked with making a whimsical all-you-can-eat - bottomless bloodys & mimosas brunch at an upscale sexy pool party, hosted by Ms. Vegas, Holly Madison. Bikini-clad servers will serve the chefs’ creations to Holly’s friends lounging poolside. Special guest judges include The Indigo Girls and Holly Madison.

It's getting down to the wire -- this week, the chefs will participate in one of the world's greatest underground dining events: a Diner en Blanc. For our Masters to take on this Diner en Blanc, each chef will create a picnic style meal with abundant ingredients to create an epic feast and pack it up for the first ever Diner en Blanc picnic in Vegas.

Twelve renowned chefs battle in culinary challenges in Las Vegas in the Season 4 opener. Here, the masters play a card game to score ingredients, then they create an extravagant buffet for some of Sin City's hottest performers.

This week, the Chefs are tasked with taking ordinary salad bar ingredients and making them “pop” for music legends, the B-52’s. Then the Chefs will take a trip to the Grand Canyon for a cookout like never before. The Chefs will be paired up to cook for the Hualapai tribe, using ingredients from the tribe’s sacred land.

They can cook, but can they put on a show? The Chefs will be split into teams of 3 and have their skills put on full view as they cook up a 3-course meal to serve VIP guests at the most challenging of chef’s tables, a Teppanyaki. With only 30 minutes to put on a delicious and dazzling show, they’ll be serving some of our favorite Top Chef Masters along with our critics. Special guest judges include: Olympic gold medalist Brian Boitano and acclaimed chefs May Sue Milliken, Susan Feniger, Rick Moonen, Jonathan Waxman.

The remaining three chefs face their final challenge.

In the premiere episode of "Top Chef Masters," Hubert Keller (Fleur de Lys), Christopher Lee (Aureole), Michael Schlow (Radius Restaurant), and Tim Love (The Lonesome Dove Western Bistro) are the first four chefs to draw knives and kick off a whole new level of culinary competition. The Master chefs are tasked with cooking dessert for a tough crowd of judges, Girl Scouts, and in the elimination challenge the acclaimed chefs must cook a three course meal in a college dorm room.

Top Chef season two's "Less is More" influences tonight's quickfire challenge, but there won't be any Cheetos in melted chocolate bars tonight as the next four chefs are asked to create an elegant amuse-bouche from vending machine fare. Then it's on to the elimination challenge where the show Lost acts the muse.

Tonight's quickfire challenge for the next group of four chefs comes from season four's "Seven", asking them to make a dish using color. Then they must sell upmarket street food using offal as the base ingredients.

In the Quickfire, the four chefs take a page from season three's special "4 Star All Stars" when they find themselves manually challenged when they must cook an egg with one hand tied behind their backs- literally! Then it's on to a magically themed Elimination with Neil Patrick Harris as guest judge.

The chefs are challenged to turn classic junk food items into fine-dining cuisine. The cast of Flipping Out are the diners for this challenge. Then, the chefs are challenged to create a mini 3-course "meal" for 100 people, without any help whatsoever. The meal must be based on an appetizer, an entree, and a dessert.