Episode 1

• Challenge 1: Speed

• A speed challenge in which chefs are required to debone a chicken, fillet a salmon, open enough coconuts to produce two cups of coconut milk, shuck six oysters and clams, french a rack of lamb, and slice off a 4-inch (100 mm) strip of daikon thin enough to read newsprint through within 15 minutes.
• WINNER: Aarón Sanchez

• Challenge 2: Artistry

• Chefs are challenged to make desserts: one with any available ingredient and the second featuring savory ingredients. Each chef selects one of the following savory ingredients: catfish, tripe, beef shoulder, chorizo, duck confit, bacon, salmon roe, or squid based on the order of their finish in the Speed challenge. The chefs are not allowed to use butter, sugar, or cheese unless they make it themselves.
• WINNER: John Besh
• ELIMINATED: Traci Des Jardins

• First aired: October 7, 2007

Episode 2

• Challenge 3: Simplicity

• The chefs have 30 minutes to prepare six one-bite (amuse-bouche) dishes that best exemplify their style of cooking. Because of his win in the Artistry challenge in Episode 1, Chef Besh is given the advantage of selecting his ingredients first, and also selecting the order in which the chefs present their dishes. The chefs serve as judges for each other's dishes. Chef Sanchez misunderstands the rules and fails to finish plating more than a single serving of his dish, deciding during the judging to give his dish to Chef Besh for tasting.
• WINNER: Michael Symon

• Challenge 4: Innovation

• After a brief introduction to the special ingredients and appliances (and with some tutelage by chef Wylie Dufresne in a special guest appearance), the chefs have 90 minutes to "play" with these items in order to incorporate them into their cooking style. The chefs then have 90 minutes to prepare a dish using innovative ingredients (e.g., xanthan gum, liquid nitrogen) and innovative appliances (e.g., thermal immersion circulator, Anti-griddle) to prepare a single dish for the judges. With his win in Challenge 1 of this round, Chef Symon is able to select his ingredients first and had a dedicated set of cooking equipment, while the other contestants have to share a common set.
• WINNER: Chris Cosentino^[5]
• ELIMINATED: Jill Davie

• First aired: October 14, 2007

Episode 3

• Challenge 5: Resourcefulness (Double Elimination)

• The chefs are divided into pairs. Each chef selects ingredients for his partner and places the ingredients in a sealed cooler. The chefs are taken outdoors, where each chef has 60 minutes to prepare two dishes with the items located in his cooler and the limited ingredients at his individual station. In addition, the chefs are only able to use a single charcoal grill to cook their dishes. With his win in the previous challenge, Chris Cosentino is given the privilege of deciding the pairings of contestants.
• WINNER: Michael Symon
• ELIMINATED: Gavin Kaysen and Morou Ouattara

• First aired: October 21, 2007

Episode 4

• Challenge 6: Creativity Under Pressure

• The remaining four chefs learn that they will be traveling to Germany for this week's challenge. At the Munich airport, the chefs are taken to Lufthansa's catering facilities where their next challenge is to create the ultimate first class meal for passengers, to be finished and presented to the first class cabin of a long-haul jet. They have 90 minutes to prepare a minimum of three dishes.
• WINNER: Michael Symon
• ELIMINATED: Aarón Sanchez

• First aired: October 28, 2007

Episode 5

• Challenge 7: Lead and Inspire

• The remaining three chefs continue the overseas portion of the competition as they fly to Paris for the next challenge. The chefs must create a meal representing their interpretations of classic American foods, to be served at a dinner hosted by the United States Ambassador to France, with guests including a number of noted French culinary figures.
• WINNER: Neither remaining chef was declared the winner.
• ELIMINATED: Chris Cosentino

• First aired: November 4, 2007

Episode 6

• Challenge 8: Attain Greatness

• The final competition tales the form of a head-to-head competition in Kitchen Stadium in a traditional Iron Chef America battle. The secret ingredient was swordfish. Judges Ruhlman, Knowlton and Arpaia are replaced in the on-air tasting portion of the judging by current Iron Chefs Bobby Flay, Cat Cora and Masaharu Morimoto. The three judges and the three Iron Chefs collaborate to determine the winner.
• WINNER: Michael Symon
• ELIMINATED: John Besh

• First aired: November 11, 2007

Episode 1

• Challenge 1: Memory

• The Chairman presents each chef with an ingredient associated with their past, and challenges them to make a dish, to be presented family-style, that represents who they are.
• WINNER: Jose Garces

• Challenge 2: Fearlessness

• The Chairman assigns each chef an exotic ingredient he or she may not have used before. Exercising his advantage, Chef Garces was allowed to exchange the ingredients of two chefs: Chef Crenn and Chef Mullen.
• WINNER: Nate Appleman (Unlaid Eggs)
• ELIMINATED: Eric Greenspan (Grasshoppers)

• First aired: October 4, 2009

Episode 2

• Challenge 3: Simplicity

• In this challenge, the Chairman gives each chef the choice of one traditional cooking vessel from one of a variety of countries; each is designed for a one-pot style of cooking. After 45 minutes of cook time, the contestants must taste and judge their fellow competitors' dishes.
• WINNER: Jehangir Mehta

• Challenge 4: Interpretation

• In the next challenge, Alton Brown assigns each chef a specific traditional dish from one of three countries; Greece, France and Italy. Each chef is given one hour to create their own interpretation of the dish they were assigned.
• WINNER: Seamus Mullen

• ELIMINATED: Holly Smith

• First aired: October 11, 2009

Episode 3

• Challenge 5: Innovation, Part I

• In this challenge, the chefs are sent in pairs to various restaurants in the Los Angeles area where they must taste the restaurant's signature dish, and then are tasked to duplicate the dish from scratch in 10 minutes. The owners of the restaurant determine which of the two competitors' dishes are closest to the original. The winner is allotted an additional 5 minutes in the next challenge.
• Assignments:
  • Vietnamese: Beef Pho (Chefs Crenn and Garces)
  • Korean: Dolsot-bibimbap (Chefs Appleman and Mullen)
  • Thai: Green Curry with Fish Balls (Chefs Freitag and Mehta)
  • Chinese: Pork and Vegetarian Dumplings (Chefs Treviño and Farmerie)
• WINNERS: Chefs Appleman, Crenn, Frietag and Treviño

• Challenge 6: Innovation, Part II

• The chefs must use inspiration from their visit to local restaurants to re-interpret a traditional American dish.
• WINNER: Seamus Mullen

• ELIMINATED: Brad Farmerie

• First aired: October 18, 2009

Episode 4

• Challenge 7: Adaptability

• The Chairman presents the chefs with a challenge to test their ability to adapt: prepare two Mexican-inspired dishes, one sweet and one savory, using a surprise ingredient: tamarind imported from Mexico. Each chef has 90 minutes total to shop at Los Angeles's Grand Central Market and to cook their dishes. Late in the cooking period, host Alton Brown added a twist, when he conveyed the Chairman's wish to have a drink featuring tamarind added to the meal.
• WINNER: Jehangir Mehta

• ELIMINATED: Dominique Crenn

• First aired: October 25, 2009

Episode 5

• Challenge 8: Pressure, Part I

• An Indian chef tests how well the remaining contenders perform under pressure. The chefs are to make a one-bite vegetarian representation of the taste of India. As winner of the previous challenge, Chef Mehta has first choice of ingredients.
• WINNER: Nate Appleman

• Challenge 9: Pressure, Part II

• The chefs are to make a 5 course Indian dinner. This is a double-elimination challenge. As winner of the previous challenge, Chef Appleman has first choice of the protein ingredients and takes all of the red snapper.
• WINNER: Jose Garces
• ELIMINATED: Roberto Treviño and Nate Appleman
• The remaining 4 chefs receive plane tickets to travel to Tokyo where the next episode takes place.

• First aired: November 1, 2009

Episode 6

• Challenge 10: Umami (Deliciousness), Part I: Yakitori

• The chefs must create five yakitori, each with umami.
• Guest Judge: Iron Chef Masaharu Morimoto
• WINNER: Jehangir Mehta

• Challenge 11: Umami (Deliciousness), Part II: Five Flavors of Rice

• The chefs must create five dishes featuring five flavors: sweet, sour, salty, bitter and umami. Each dish must feature rice in some fashion, and be served in a traditional Japanese Bentō box.
• Guest Judge: Dr. Yukio Hattori, Director of the Hattori Nutrition College. Dr. Hattori was a commentator on the original Japanese Iron Chef.
• WINNER: Jose Garces
• ELIMINATED: Amanda Freitag

• First aired: November 8, 2009

Episode 7

• Challenge 12: Integrity

• Personal expression through food.
• Guest Judges: The Chairman, Dr. Yukio Hattori
• FINALISTS: Jose Garces, Jehangir Mehta
• ELIMINATED: Seamus Mullen

• First aired: November 15, 2009

Episode 8

• Challenge 13: Imagination

• The final challenge was a traditional head-to-head Iron Chef battle. The secret ingredient was racks and ribs, and featured beef, pork and buffalo meat.
• Guest Judges: The Chairman, Masaharu Morimoto, Bobby Flay, Michael Symon
• WINNER: Jose Garces
• ELIMINATED: Jehangir Mehta

• First aired: November 22, 2009

Episode 1: Ingenuity

• Secret Ingredient Challenge (Secret Ingredient: Bread): Each chef must make a sandwich expressing his or her culinary style

• WINNER: Duskie Estes

• Chairman's Challenge: Cook a dish on the beach, using tropical ingredients. Their dish must feature the one food they would want to have on a deserted island.

As the winner of the Secret Ingredient Challenge, Chef Estes was able to have a five-minute advantage to grab ingredients from the "pantry" and start cooking.

• WINNER: Ming Tsai
• ELIMINATED: Andrew Kirschner

• First aired: October 3, 2010

Episode 2: Innovation

• Secret Ingredient Challenge (Secret Ingredients: Coffee and Donuts): Create a breakfast transforming these two ingredients.

• WINNER: Maneet Chauhan
• DISADVANTAGE: Mary Dumont

• Chairman's Challenge: Roadside diner classics

As the winner of the previous challenge, Maneet Chauhan was able to assign the dishes to prepare to each chef. Mary Dumont, having come in last, received a one-minute penalty assessed at the beginning.

• WINNER: Marc Forgione
• ELIMINATED: Mario Pagán

• First aired: October 10, 2010

Episode 3: Resourcefulness

• Secret Ingredient Challenge (Secret Ingredients: Pickles): Create a "portable snack" expressing the ingredient's versatility.

• WINNER: Marc Forgione
• DISADVANTAGE: Duskie Estes

• Chairman's Challenge: Create two dishes that revolve around the fishes the chefs caught. Chefs who were short on fish were also allowed to use sardines as a focus ingredient too.

As the winner of the previous challenge, Marc Forgione was able to replace one of his caught fishes with someone else. He replaced one of his scorpion fishes with Celina Tio's caught snapper as a result. Duskie Estes, having come in last, received a one-minute penalty assessed at the beginning.

• WINNER: Marco Canora
• ELIMINATED: Mary Dumont

• First aired: October 17, 2010

Episode 4: Transformation

• Secret Ingredient Challenge (Secret Ingredients: Condiments): Each chef is assigned to transform a selected condiment, such as mayonnaise, ketchup, or ranch dressing, into a dish featuring the condiment.

• WINNER: Celina Tio
• DISADVANTAGE: Maneet Chauhan

• Chairman's Challenge: At the San Diego County Fair, each chef must transform ingredients found at the fair's concession stands into three dishes: one fried, one on a stick, and one grilled. All dishes must be prepared on a large outdoor grill.

As the winner of the previous challenge, Celina Tio had a five-minute head start in the 30-minute hunt for ingredients on the fair grounds. Maneet Chauhan, having come in last, received a one-minute penalty assessed at the beginning of cooking.

• WINNER: Celina Tio
• ELIMINATED: Duskie Estes

• First aired: October 24, 2010

Episode 5: Respect

• Secret Ingredient Challenge (Secret Ingredient: Potatoes)

• WINNER: Marco Canora
• DISADVANTAGE: Marc Forgione

• Chairman's Challenge: Each chef was challenged to cook four dishes; one each representing the northern, southern, eastern and western regions of the United States.

• WINNER: Ming Tsai
• ELIMINATED: Maneet Chauhan

• First aired: October 31, 2010

Note: In this episode, Iron Chef Jose Garces served as a guest judge, substituting for fellow Iron Chef Michael Symon.

Episode 6: Inspiration

• Secret Ingredient Challenge (Secret Ingredient: Chocolate): The chefs were given two hours to create a dessert display.

• WINNER: Ming Tsai

• Chairman's Challenge: Each chef was tasked with creating his or her own buffet display and was given 3 hours to create three hot and two cold entrees. As winner of the previous challenge, Ming Tsai was given a one-minute head start on selecting his ingredients.

• WINNER: Marco Canora
• ELIMINATED: Bryan Caswell

(This episode was originally intended to be a double elimination. However, because there was a three-way tie for the second chef to be eliminated, the remaining four chefs were allowed to continue to the next round.)

• First aired: November 7, 2010

Episode 7: Seduction

• Secret Ingredient Challenge (Secret Ingredient: Liquor): Create a cocktail along with a suitable bar food snack to associate with the drink.

• WINNER: Marco Canora

• Chairman's Challenge: Seduce the judges by creating three luxurious dishes featuring one luxury protein. Each chef selected a safe containing an unknown quality ingredient in turn, before collecting additional ingredients from four fine dining restaurants in 30 minutes. Marco Canora had the advantage to trade his unopened safe for another chef's ingredient, along with selecting at which restaurant each chef will begin gathering ingredients. Canora traded his unopened safe for Tsai's ingredient: Wagyū beef.

• WINNER: Marco Canora
• ELIMINATED: Celina Tio, Ming Tsai

• First aired: November 14, 2010

Episode 8: Honor

Secret Ingredient: Thanksgiving Feast (heritage turkey, white pekin duck, venison, lobster)

• WINNER: Marc Forgione
• ELIMINATED: Marco Canora

• First aired: November 21, 2010

Episode 1: Resourcefulness

• Chairman's Challenge: "Primal: Heat and Meat"

Chefs are paired in teams of two, with Chef Spike choosing the teams. The teams are taken to a remote wilderness location, where they must butcher a half-hog, build a fire, and make two collaborative dishes that demonstrate resourcefulness. The least successful team is sent to the Secret Ingredient Showdown.

Teams

1. Spike Mendelsohn and Marcus Samuelsson
2. Anne Burrell and Robert Irvine
3. Alex Guarnaschelli and Elizabeth Falkner
4. Geoffrey Zakarian and Beau MacMillan
5. Michael Chiarello and Chuck Hughes

• WINNERS: Geoffrey Zakarian and Beau MacMillan

• BOTTOM TWO: Spike Mendelsohn and Marcus Samuelsson

• Secret Ingredient Showdown: Scallops

With the choice of two ingredients under red and black covers, the chefs agree upon a selection. Chefs Spike and Marcus chose the ingredient under the red cover, which was large sea scallops, while the other ingredient, hidden under the black cover, was canned tuna. They are given 30 minutes to produce one dish of Iron Chef quality using the selected ingredient.

• CONTINUING IN THE COMPETITION: Marcus Samuelsson

• ELIMINATED: Spike Mendelsohn

• First aired: October 30, 2011

Episode 2: Transformation

• Chairman's Challenge: "Take Me Out to the Ballgame"

The chefs are given 15 minutes to gather necessary ingredients from ballpark vendors and 60 minutes to transform two stadium classics at Petco Park. Because they won the first Chairman's Challenge, Chefs Zakarian and MacMillan are given an additional five minutes for gathering ingredients. The two least successful chefs are sent to the Secret Ingredient Showdown.

• WINNER: Alex Guarnaschelli

• BOTTOM TWO: Robert Irvine and Michael Chiarello

• Secret Ingredient Showdown: Peanuts

• CONTINUING IN THE COMPETITION: Michael Chiarello

• ELIMINATED: Robert Irvine

• First Aired: November 6, 2011

Episode 3: Ingenuity

• Chairman's Challenge: "Let's All Go to the Lobby"

The chefs are asked to create two dishes (one sweet and one savory) demonstrating ingenuity using movie theater candy in 60 minutes. Because she won the second Chairman's Challenge, Chef Guarnaschelli is allowed to select her candy and chose the other chefs' candy. The two least successful chefs are sent to the Secret Ingredient Showdown.

Ingredient Order:

1. Chocolate Covered Raisins: Chef Guarnaschelli
2. Malt Balls: Chef Falkner
3. Popcorn: Chef Hughes
4. Gummy Candy: Chef Chiarello
5. Cinnamon Candy: Chef Zakarian
6. Root Beer: Chef Burrell
7. Chocolate Covered Caramels: Chef Samuelsson
8. Sweet and Sour Candy: Chef MacMillan

• WINNER: Elizabeth Falkner

• BOTTOM TWO: Chuck Hughes and Beau MacMillan

• Secret Ingredient Showdown: Tofu

• CONTINUING IN THE COMPETITION: Beau MacMillan

• ELIMINATED: Chuck Hughes

• First Aired: November 13, 2011

Episode 4: Improvisation

• Chairman's Challenge: "Food is Funny"

Comedian Kevin Nealon meets the chefs at the Improv Comedy Club and selects four mandatory ingredients the chefs must use: Octopus, Kumquats, Tortillas, and Marshmallows. The chefs must cook a dish using all four ingredients in 45 minutes. Because she won the third Chairman's Challenge, Chef Falkner is given five extra minutes to start the preparation of her dish. The two least successful chefs are sent to the Secret Ingredient Showdown.

• WINNER: Michael Chiarello

• BOTTOM TWO: Geoffrey Zakarian and Beau MacMillan

• Secret Ingredient Showdown: Coconuts

• CONTINUING IN THE COMPETITION: Geoffrey Zakarian

• ELIMINATED: Beau MacMillan

• First Aired: November 20, 2011

Episode 5: Storytelling

• Chairman's Challenge: "New York on a Plate"

The chefs create a culinary story based on a postcard drawing of New York City landmarks. Because he won the previous Chairman's Challenge, Chef Chiarello is given the choice of landmarks. The chefs have 20 minutes to shop at the Grand Central Market and 45 minutes to cook for six people (the original four judges, along with Iron Chef Marc Forgione and Chef Charlie Palmer) at the Grand Central Terminal. The two least successful chefs are sent to the Secret Ingredient Showdown.

Landmark Order:

1. Statue of Liberty : Chef Chiarello
2. Times Square: Chef Zakarian
3. Broadway: Chef Samuelsson
4. Empire State Building: Chef Guarnaschelli
5. Central Park : Chef Burrell
6. Brooklyn Bridge : Chef Falkner

• WINNER: Anne Burrell

• BOTTOM TWO: Marcus Samuelsson and Elizabeth Falkner

• Secret Ingredient Showdown: Bagels

• CONTINUING IN THE COMPETITION: Elizabeth Falkner

• ELIMINATED: Marcus Samuelsson

• First Aired: November 27, 2011

Episode 6: Risk

• Chairman's Challenge: "Food Auction"

The Chairman takes the chefs to an auction house in Chelsea, where they each place bids on the shortest amount of time in which they think they can create a dish with each ingredient presented. The fifth ingredient is given to the last remaining chef after all the other ingredients have been won. The chef with the last ingredient gets five minutes less than the lowest bid on any other ingredient. The lowest bid is 25 minutes by Chefs Chiarello and Falkner, therefore giving Chef Guarnaschelli 20 minutes to cook a leg of lamb. By winning the last Chairman's Challenge, Chef Burrell is allowed to be the fourth taster and the least successful chef selected by Chef Burrell (Chef Zakarian) is sent to the Secret Ingredient Showdown along with the other least successful chef chosen by the three regular judges.

Ingredient Order:

1. Canned Sardines: Chef Burrell (50 minutes)
2. Wagyu Beef: Chef Zakarian (30 minutes)
3. Maine Lobster: Chef Chiarello (25 minutes)
4. Tuna Jerky: Chef Falkner (25 minutes)
5. Leg of Lamb: Chef Guarnaschelli (20 minutes)

• WINNER: Elizabeth Falkner

• BOTTOM TWO: Anne Burrell and Geoffrey Zakarian

• Secret Ingredient Showdown: Ponzu and Panko Bread Crumb Dessert

• CONTINUING IN THE COMPETITION: Geoffrey Zakarian

• ELIMINATED: Anne Burrell

• First Aired: December 4, 2011

Episode 7: Passion

• Chairman's Challenge: "Hamptons Beach Cookout"

The competitors cater a beach cookout for 20 guests, plus the judges, at the Montauk Yacht Club. The chefs are given $500 and two hours to source their own ingredients. Once completed, each chef is given two hours to prepare a three course seafood tasting menu that demonstrates their passion for food. Because she won the previous Chairman's Challenge, Chef Falkner is given a 15 minute head start and a ride in a speedboat to her first location to gather ingredients. A winner is declared for this challenge, the least successful chef is eliminated, and the two remaining chefs go to the Secret Ingredient Showdown in Kitchen Stadium.

• WINNER (advances to the Finale): Geoffrey Zakarian

• ELIMINATED: Alex Guarnaschelli

• Secret Ingredient Showdown: Three-Bite Crackers and Wine Appetizer Course

• CONTINUING IN THE COMPETITION: Elizabeth Falkner

• ELIMINATED: Michael Chiarello

• First Aired: December 11, 2011

Episode 8: Pressure

• Chairman's Challenge: "Holiday Meal"

Chefs Falkner and Zakarian face a pressure-filled finale in Kitchen Stadium, where the secret ingredients are: Beef Crown Roast, Candy Canes, Clementines, Acorn & Butternut Squash, Salt Cod, Brussels Sprouts, Unfiltered Apple Cider and Parsnips. They must create three Christmas theme dishes with those ingredients for guest judges Bobby Flay and Masaharu Morimoto along with the regular three judges and the Chairman. During the course of the battle, the Chairman's first surprise forces the chefs to use cranberries as another theme ingredient they must create a dish with. Also, he gives them the choice of one former competitor to cook with for 15 minutes on each side of the kitchen, and they both choose Chef Guarnaschelli. The Chairman's second surprise given to the chefs is to create a frozen dessert using the ice cream machine. The Chairman's final surprise is for each chef to make a "holiday-themed" cocktail served in a martini glass.

• WINNER: Geoffrey Zakarian

• ELIMINATED: Elizabeth Falkner

• First Aired: December 18, 2011

Episode 1: Resourcefulness

• Chairman's Challenge: "Resourcefulness"

Chefs are brought to a beach and given an ingredient that they struggled with in a previous competition.

Ingredients

1. Alex Guarnaschelli: Lobster
2. Amanda Freitag: Shiitake Mushrooms
3. Duskie Estes: Calamari
4. Elizabeth Falkner: Black Garlic
5. Eric Greenspan: Grasshoppers
6. Jehangir Mehta: Buffalo
7. Marcel Vigneron: Avocado
8. Nate Appleman: Banana
9. Spike Mendelsohn: Scallops
10. Tim Love: Kale

• WINNER: Alex Guarnaschelli

• BOTTOM TWO: Spike Mendelsohn and Tim Love

• Secret Ingredient Showdown: Pineapple

The chefs have 30 minutes to create a dish featuring pineapple. Chef Love creates a dish of grilled quail, fried kale, and pickled pineapple. Chef Mendelsohn creates a Vietnamese-inspired sweet and sour branzino.

• CONTINUING IN THE COMPETITION: Spike Mendelsohn

• ELIMINATED: Tim Love

• First aired: November 4, 2012

Episode 2: Innovation

• Chairman's Challenge: "Innovation"

Chefs are divided into three groups of three, each of which has to develop an innovative version of a global dish - falafel, tacos, or banh mi. As the winning chef of the previous chairman's challenge, Chef Guarnaschelli was allowed to assign each chef to a group.

Groups

1. Tacos: Alex Guarnaschelli, Spike Mendelsohn, Duskie Estes
2. Banh Mi: Eric Greenspan, Nate Appleman, Elizabeth Falkner
3. Falafel: Jehangir Mehta, Marcel Vigneron, Amanda Freitag

• WINNER: Jehangir Mehta (Eric Greenspan and Alex Guarnaschelli were top in their respective groups)

• BOTTOM THREE: Elizabeth Falkner, Amanda Freitag, and Duskie Estes

• Secret Ingredient Showdown: White bread

The chefs have thirty minutes to make a dish highlighting plain white bread. Chef Freitag makes pork meatballs with parmesan breadcrumbs, Chef Estes makes egg yolk ravioli with bacon brown butter croutons and Chef Falkner makes a Monte Cristo sandwich with french toast ice cream.

• CONTINUING IN THE COMPETITION: Elizabeth Falkner and Amanda Freitag

• ELIMINATED: Duskie Estes

• First aired: November 11, 2012

Episode 3: Simplicity

• Chairman's Challenge: "Simplicity"

Each chef is photographed by food/chef photographer Todd Selby. The chefs are then split up into four groups of two, with each chef making an amuse bouche that reflects the personality of their opponent. The losing chef in each pairing must cook for their life. As the winner of the previous challenge, Chef Mehta splits up the chefs.

Groups

1. Alex Guarnaschelli and Marcel Vigneron
2. Elizabeth Falkner and Amanda Freitag
3. Nate Appleman and Eric Greenspan
4. Jehangir Mehta and Spike Mendelsohn

• WINNER: Amanda Freitag (Spike Mendelsohn, Alex Guarnaschelli and Nate Appleman won their respective matchups)

• BOTTOM FOUR: Elizabeth Falkner, Jehangir Mehta, Marcel Vigneron and Eric Greenspan

• Secret Ingredient Showdown: Cereal

The chefs must create a dish containing Kellogg's Raisin Bran and Rice Krispies. Chef Vigneron makes a Rice Krispies and Raisin Bran treat with coconut ice cream, Chef Falkner makes a Rice Krispies and Raisin Bran tartufo bianco, Chef Greenspan makes a Rice Krispies crusted tuna over a Raisin Bran purée, and Chef Mehta makes a Rice Krispies crab cake and Raisin Bran chevda.

• CONTINUING IN THE COMPETITION: Elizabeth Falkner, Marcel Vigneron and Jehangir Mehta

• ELIMINATED: Eric Greenspan

• First aired: November 18, 2012

Episode 4: Transformation

• Chairman's Challenge: "Transformation"

Each chef is asked to transform a canned meat into a high-class dish. The chefs were told to choose from an assortment of cans on the table. Three of the cans only had a question mark on their labels. As the winner of the previous challenge, Chef Freitag chose last and was given the option to steal one of her opponent's cans, forcing them to choose from whatever was left on the table, but she declined.

Ingredients

1. Vigneron: Canned Clams
2. Mehta: Mystery Can (Chicken)
3. Mendelsohn: Canned Vienna Sausage
4. Guarnaschelli: Canned Spiced Ham
5. Falkner: Mystery Can (Roast Beef)
6. Appleman: Mystery Can (Tuna)
7. Freitag: Canned Corned Beef

• WINNER: Elizabeth Falkner

• BOTTOM TWO: Marcel Vigneron and Spike Mendelsohn

• Secret Ingredient Showdown: Lobster

The chefs have thirty minutes to make a dish highlighting lobster as the main ingredient. Chef Mendelsohn makes lobster laksa while Chef Vigneron makes lobster and mango salad. The chefs made the decision to plate their dishes on the same plate. This decision displeased the judges, to the point where they considered eliminating both chefs.

• CONTINUING IN THE COMPETITION: Marcel Vigneron

• ELIMINATED: Spike Mendelsohn

• First aired: November 25, 2012

Episode 5: Risk

• Chairman's Challenge: "Risk"

The chefs walk into an airplane hangar, where they each place bids on the shortest amount of time in which they think they can create a dish with each ingredient presented. The sixth ingredient is given to the last remaining chef after all the other ingredients have been won. The chef with the last ingredient gets five minutes less than the lowest bid on any other ingredient. The lowest bid is 25 minutes by Chef Mehta, therefore giving Chef Appleman 20 minutes to create a dish out of mortadella. By winning the last Chairman's Challenge, Chef Falkner is allowed to be the fourth taster and the least successful chef selected by Chef Falkner (Chef Appleman) is sent to the Secret Ingredient Showdown along with the other least successful chef chosen by the three regular judges. It is also noted here that the remaining five contestants next week will be going to Vegas.

Ingredients

1. Cow Heads: Marcel Vigneron (50 minutes)
2. Paiche: Elizabeth Falkner (50 minutes)
3. Bison Ribs: Alex Guarnaschelli (45 minutes)
4. Wheel of Parmesan: Amanda Freitag (40 minutes)
5. Ostrich Eggs: Jehangir Mehta (25 minutes)
6. Mortadella: Nate Appleman (20 minutes)

• WINNER: Marcel Vigneron

• BOTTOM TWO: Nate Appleman and Elizabeth Falkner

• Secret Ingredient Showdown: Anchovies

The chefs have thirty minutes to make a dish highlighting anchovies as the main ingredient.

• CONTINUING IN THE COMPETITION: Nate Appleman

• ELIMINATED: Elizabeth Falkner

• First aired: December 2, 2012

Episode 6: Fusion

• Chairman's Challenge: "Fusion"

The chefs arrive in Las Vegas at the MGM Grand and find out they will be attending a wedding. It is a wedding between two unlikely ingredients. As the winner of the previous challenge, Chef Vigneron gets to choose who gets what pairing he will use and decide the pairings to be used by the remaining chefs. They have 45 minutes to make a dish with the following pairings.

1. Blue Cheese and Peanut Butter: Marcel Vigneron
2. Bone Marrow and Rainbow Candies: Jehangir Mehta
3. Clams and Strawberries: Nate Appleman
4. Chicken Liver and Peppermint Candies: Alex Guarnaschelli
5. Calamari and Miniature Marshmallows: Amanda Freitag

• WINNER: Amanda Freitag

• BOTTOM TWO: Nate Appleman and Jehangir Mehta

• Secret Ingredient Showdown: Shrimp

The chefs have thirty minutes to make a dish highlighting shrimp as the main ingredient, while using a traditional Japanese teppanyaki grill.

• CONTINUING IN THE COMPETITION: Nate Appleman

• ELIMINATED: Jehangir Mehta

• First aired: December 9, 2012

Episode 7: Transcendence

• Chairman's Challenge: "Transcendence"

The chefs are tasked to prepare a buffet featuring a mystery ingredient chosen by magician David Copperfield: bacon. Chef Freitag, as the winner of the previous challenge, splits the chefs into pairs.

1. Amanda Freitag and Nate Appleman
2. Alex Guarnaschelli and Marcel Vigneron

• WINNERS: Amanda Freitag and Nate Appleman

• BOTTOM TWO: Alex Guarnaschelli and Marcel Vigneron

• Secret Ingredient Showdown: Chocolate

The chefs are asked to choose two types of Hershey's candy and make a savory dish with a holiday theme. Chef Vigneron makes roasted lamb with eggplant camponata and white chocolate curry risotto. Chef Guarnaschelli makes duck breast and white chocolate, fennel and cherry salad with a fried duck heart and dark chocolate.

• CONTINUING IN THE COMPETITION: Alex Guarnaschelli

• ELIMINATED: Marcel Vigneron

• First aired: December 16, 2012

Episode 8: Passion and Respect

• Chairman's Challenges: "Passion" and "Respect"

The season finale consists of two challenges of Passion and Respect. First in the Passion challenge, the remaining chefs are tasked to create in 45 minutes a dish using an ingredient one of the judges is passionate about. The two most successful chefs proceed to the finale in Kitchen Stadium, while the least successful chef is eliminated.

Ingredients

1. Farm-raised Chicken (Geoffrey Zakarian): Amanda Freitag
2. Haddock (Simon Majumdar): Nate Appleman
3. Sea Urchin (Donatella Arpaia): Alex Guarnaschelli

• CONTINUING IN THE COMPETITION: Amanda Freitag and Alex Guarnaschelli

• ELIMINATED: Nate Appleman

In Kitchen Stadium, the final Respect challenge requires Chef Guarnaschelli and Chef Freitag to create three dishes in one hour, assisted by two sous chefs each. Each of their offerings must include two ingredients per dish that are staples in the dishes of three senior Iron Chefs: Iron Chef Bobby Flay, Iron Chef Masaharu Morimoto, and Iron Chef Michael Symon. The Chefs are told to pay respect to the Iron Chefs' signature flavors, while still cooking in their own style and showcasing their own abilities. Iron Chefs Flay, Morimoto, and Symon also appear as guest judges along with the three regular judges.

Ingredients

1. Bobby Flay: Corn, Avocado, Limes, Chili Peppers
2. Masaharu Morimoto: Panko, Ponzu, Soy Sauce, Miso, Daikon Radish, Wasabi
3. Michael Symon: Eggplant, Feta Cheese, Olives, Phyllo Dough

• WINNER: Alex Guarnaschelli

• ELIMINATED: Amanda Freitag

• First aired: December 23, 2012