Master chefs know how to work under pressure, but how well can they do fast food? This week’s Elimination Challenge puts the cheftestants to the test in a traditional Southern California eatery, the drive-through. The cheftestants will have to operate a fast food drive-through, from the grill to serving up their best meals and all in less than two minutes.

The remaining three chefs face their final challenge.

Eating healthy is a challenge that people face every day. For this week’s Elimination Challenge, the cheftestants must prove nutritious food can still taste good. The remaining masters will be broken up into three teams of three to prepare breakfast, lunch, and dinner for the cast of The Biggest Loser, but that’s not all, all three meals, when added up, cannot exceed the daily allotment of 1500 calories a day.

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.

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 tables are turned in this week’s Quickfire when the cheftestants become the judges and have to critique their fellow chefs. Then in the Elimination Challenge, the remaining contestants are in for a double dose of surprises. Pop Rock group Maroon 5 drops by and challenges the chefs to create a feast fit for a rock star, but it's not that easy. Once again the tables are turned and the chefs are taken out of kitchen and brought to a surprise location to prepare their meals.

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.

Top Chef Masters is back with a brand new host, new judge and a new format -- so why not start the competition off with something familiar, the most notorious of all Top Chef challenges, Restaurant Wars? These master chefs have opened their share of award-winning restaurants, but nothing could have prepared them for the pressure that’s on now. With their egos on the line, the knives come out right out of the gate.

Crickets, nightcrawlers and beetles, oh my! These master chefs are used to cooking with the finest ingredients, but in this week's Quickfire they’re forced to make a delicious dish out of some horrifying creatures. The Elimination Challenge however, makes it all worthwhile when the chefs compete to sell their dishes for $100 a plate at a charity fundraiser. For every plate they sell, the money they receive goes directly to their charity of choice and these chefs are in to win it.

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.

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.

The masters are in for a treat this week when two high-profile celebrities visit the top chef kitchen. Pop Star and trained chef, Kelis, drops by to judge a very meaty quickfire challenge and then Mad Men actress, Christina Hendricks and her husband, actor Geoffry Arend, enlist the help of the cheftestants in a special '60s-themed Elimination Challenge.

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.

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.

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.

The ace culinarians delve into science and technology by utilizing modern-day kitchen gadgetry to whip up breakfast. Later, they tap into old-school chemistry at a science fair to render culinary creations.

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.

The chefs create classic American cuisine with an Asian spin.

The epic "Restaurant Wars" challenge tasks the foodies to open eateries with a Los Angeles theme. Appearing: actress Busy Philipps and culinary editor Dana Cowin.