With only three chefs remaining the challenges focus on how well they honor personal integrity and the integrity of their ingredients.
The chefs arrive in Tokyo and must complete a cooking challenge to showcase all five tastes: sweet, salty, sour, bitter and umami.
The remaining chefs demonstrate their passion and respect for cooking.
Nine remaining chefs are challenged to create their own unique spin on classic dishes from around the globe.
A guest chef arrives to test the contestants on how well they can handle pressure. Later, two chefs are eliminated and the final four learn pack up their bags and head for one of the world's culinary hot spots.
Host Alton Brown welcomes 10 renowned chefs to Los Angeles as they all compete to be named the next Iron Chef. The first two challenges test the contestants memory and fearlessness in the kitchen.
The chefs are tasked to create a hybrid dish fusing Asian flavor and American sensibilities in an innovation challenge.
Chef pairs create a Vegas buffet transcendent in flavor and presentation.
The two finalists arrive in Kitchen stadium for their final challenge, a head-to-head battle featuring a secret ingredient. The winner is crowned the newest Iron Chef.
The nine remaining chefs are challenged to get inspiration from a coffee house to makeone dish using doughnuts and one using coffee. Later in the Chairman's Challenge, chefs must innovate classic american diner fare to the level of Iron Chef cuisine.
Chefs are challenged to create one savory and one sweet dish using a movie theatre snack as the main ingredients.
The chefs must fuse unusual ingredients into dishes worthy of an Iron Chef.
Adaptability is key when the chefs are given a secret ingredient moments before their cooking challenge begins.
After the competition moves to Las Vegas, chefs must complete a wedding party dish using the Secret Ingredient chocolate. Later in the Chairman Challenge, chefs are challenged to create dishes presentedbuffet-style.
In the resourcefulness themed Secret Ingredient Challenge, the remaining eight chefs must make a tasty snack using pickles. Later, the chefs go fishing and must cook whatever they catch.
The chefs' ingredients are so large, they're transported in freight trucks.
The four remaining chefs are tasked with making a three-course seafood dinner for a party of 20 in the Hamptons.
The six remaining chefs are challenged to create a dish that tells the story of specific NY sites.
Chefs must create dishes using ingredients picked "Improv"-style at a comedy club.
In the "Transformation" Secret Ingredient Challenge chefs must transform traditional condiments into a unique dish. Later, chefs arrive at the San Deigo Fair and must use ingredients from the concession stands.
The remaining chefs are challenged to make a seductive snack and cocktail in a half hour. In the Chairman's Challenge, chefs must create a three-course meal using luxurious ingredients.
The final two chefs head to New York City and compete in a Thanksgiving-themed showdown.
The chefs reimagine and create innovative takes on international classics.
In the first challenge, chefs are challenged to show respect to the potatoand create a dish with it in 45 minutes. Later in the Chairman's Challenge chefs must create four dishes, one representing America's North, South, East and West.
In the season opener, ten well-known chefs must cook on "redemption beach" using the ingredient that sent them packing from their previous competitions.
The remaining 5 chefs must bid on the amount of time they can cook one of five mystery ingredients.
The chefs show simplicity by interpreting opponents' personalities in food.
The chefs' task: the transformation of "unworthy" food into Iron Chef fare.
First chefs break up into teams of two and compete outdoors using basic ingredients to create "Iron Chef"-worthy dishes. In the end, the losing team faces off in a secret ingredient challenge with the loser going home.
The final two chefs compete in kitchen stadium and must create three holiday dishes.
At Petco Park in San Diego, the chefs are challenged to transform ballpark food into Iron Chef-worthy dishes.