Theme :Black bass

The ingredient is black bass as Iron Chef Masaharu Morimoto takes on challenger Aaron Sanchez.

Theme : Lamb

Bobby Flay faces David Burke in the culinary competition.

Theme : Pizza dough

A pizza-dough battle pits Iron Chef Mario Batali against chef Todd English.

Theme : Chicken

Iron Chef Bobby Flay faces famed barbecue chef Adam Perry Lang.

Theme : Hamburger

A hamburger battle pits Iron Chef Cat Cora against challenger Kerry Simon.

Theme : Sweet Onions

Iron Chef Bobby Flay takes on challenger Michelle Bernstein.

Theme : Asparagus

Iron Chef Masaharu Morimoto takes on challenger Michael Symon.

Theme : Crawfish

Iron Chef Mario Batali faces Seattle chef Tamara Murphy.

Theme : Clams

Iron Chef Cat Cora takes on Hawaiian challenger Sam Choy.

Theme : Shrimp

Iron Chef Mario Batali takes on challenger Traci Des Jardins.

Theme : Tilapia

New York City chef Wylie Dufresne battles Mario Batali.

Theme : Lamb

Bobby Flay faces David Burke in the culinary competition.

Theme : Pork

Los Angeles Chef Neal Fraser takes on Iron Chef Cat Cora.