Theme : White House garden produce Super Chef Emeril Lagasse and Iron Chef Mario Batali take on Iron Chef Bobby Flay and White House Executive Chef Cristeta Comerford in the culinary showdown of the century! There will be a special guest appearance by First Lady Michelle Obama, tasked by the Chairman to give the chefs their special challenge: each team will have to create the ultimate meal for America, using the White House Garden as the 'secret ingredient.' Ted Allen from Chopped also makes an appearance as an additional floor reporter. Judging are Nigella Lawson, Jane Seymour, and Natalie Coughlin