Iron Chef Rob Feenie returns to the kitchen stadium to go head-to-head with challenger Chef John Horne. In a battle of bivalves, Chef Feenie brings Sous Chefs Wayne Harris and Henry Wong to battle alongside him, while Chef Horne is joined by Sous Chefs Malcolm Campbell and Rob McKinlay. Judges Ricardo, Claudia McNeilly, and Jennifer McLagan are tasked with tasting and reviewing each dish, and ultimately, declaring a winner.