Theme: Lemons Italian brothers Nicola and Fabrizio Carro enter kitchen stadium to take on Iron Chef Michael Symon paired with Chef Michael Psilakis. Will the brothers take down the Michael's with their classic cuisine, or will Symon and Psilakis wow the judges with their paired dishes? Tune in to see whose cuisine reigns supreme!

Theme: White House garden produce Michelle Obama shows up in the Season 8 premiere and informs the chefs that the White House garden will be their secret ingredient. Teaming up to create the "ultimate meal for America" are Emeril Lagasse and Mario Batali, who will compete against Bobby Flay and White House executive chef Cristeta Comerford.

Theme: Figs Aspen chef Dena Marino enters kitchen stadium to take on acclaimed Iron Chef Masaharu Morimoto. Will Chef Marino's clean flavors impress the judges enough to take home the win? Tune in to see whose cuisine reigns supreme.

Theme: Hawaiian Moi Seattle based chef Rachel Yang enters Kitchen Stadium to take on the winner of the Next Iron Chef. Will her fusion of Korean and French cuisine win over the judges, or will she fall flat to the newest Iron Chef? Tune in to see whose cuisine reigns supreme!

Theme: Mackerel

Theme: Avocado Candian TV Personality and Chef Michael Smith enters Kitchen Stadium to take on Iron Chef Bobby Flay. Smith prides himself on his organic and local produce and doesn't disappoint by bringing that to Kitchen Stadium. But will it be enough to overpower Iron Chef Flay's flavorful dishes? Tune in to see whose cuisine reigns supreme!

Theme: Chocolate and Chili

Theme: Prosciutto Food 2 personality Spike Mendelson enters Kitchen Stadium to take on Iron Chef Michhael Symon. Will Spike's flare in the kitchen win over the judges or will he fall flat to Iron Chef Symon's bold cuisine? Tune in to see whose cuisine reigns supreme!

Theme: Ricotta Chef Julieta Ballesteros enters Kitchen Stadium to take on Iron Chef Cat Cora. Will Chef Ballesteros' Spanish cuisine win over the judges or will be fall to Iron Chef Cora's Mediterranean and southern cuisine? Tune in to see whose cuisine reigns supreme!

Theme: Leeks Chicago chef Maneet Chauhan is the challenger against Iron Chef Masaharu Morimoto.

Theme: Grapes Seattle chef Holly Smith challenges Iron Chef Cat Cora.

Theme: Sardines A culinary battle between New York chef Geoffrey Zakarian and Iron Chef Masaharu Morimoto.

Theme: Bleu Cheese

Theme: Cauliflower Neal Fraser battles Michael Symon.

Theme: Skipjack tuna "Take Home Chef" host Curtis Stone challenges Iron Chef Bobby Flay.

Theme: Papaya

Theme: Wahoo New York chef Ed Brown challenges Iron Chef Michael Symon.

Theme: Uni Makoto Okuwa, a former sous chef to Masaharu Morimoto, enters Kitchen Stadium for the first time as a challenger and takes on Michael Symon.

Theme: Pacific cod Seattle chef Maria Hines is the challenger against Iron Chef Masaharu Morimoto.

Theme: Yoghurt "Next Iron Chef" alum Dominique Crenn battles Iron Chef Michael Symon.

Theme: Broccoli New York based Vegetarian Chef Amanda Cohen enters Kitchen Stadium to take on Iron Chef Morimoto. Will her vegetarian delicacies win over the judges, or will Morimoto take home the win? Tune in to see whose cuisine reigns supreme!

Theme: Oatmeal Chef Christopher Kostow of The Restaurant at Meadowood in Napa Sonoma California enters Kitchen Stadium to take on fellow Californian Iron Chef Cat Cora. Can Chef Kostow delicate treatment of the ingredients earn him a win, or will he face defeat? Tune in to see whose cuisine reigns supreme.

Theme: Truffles Portland based Chef Naomi Pomeroy enters kitchen stadium to take on the newest Iron Chef Jose Garces.

Theme: Barracuda New York Chef extraordinaire Seamus Mullen enters Kitchen Stadium for the first time since competing in Next Iron Chef season 2 to take on Iron Chef Cat Cora. Will Chef Mullen take what he learned in the Next Iron Chef competition and bring his A game to Kitchen stadium, or will be feel the heat of defeat to Iron Chef Cora? Tune in to see whose cuisine reigns supreme!

Theme: Mahi-Mahi Chefs Katsuya Fukushima and Ruben Garcia of Café Atlantico enter Kitchen Stadium to challenge our newest Iron Chef Jose Garces. As Chefs under Jose Andres, they turn out inventive and unconventional cuisine in Washington, DC. Will their creativity in Kitchen Stadium win the judges over, or will Iron Chef Garces take home the win? Tune in to see whose cuisine reigns supreme!