The authorities at Iron Chef open up about the seafood that has them hooked! Iron Chef Geoffrey Zakarian dives into Lure Fishbar in New York City for the branzino and the sea urchin bucatini. Iron Chef Gauntlet competitor Jonathon Sawyer swims in seafood when he orders the low country seafood pilau and fried oysters at The Grocery in Charleston, S.C., while Iron Chef Gauntlet competitor Stephanie Izard craves the creamy clam chowder at the John Dory Oyster Bar in New York City. Meanwhile, Iron Chef winner Walter Royal heads to Brennan's in New Orleans when he wants the best gumbo and roasted oysters.