These “Top Chef Masters” competitors and long-time friends take the duel to a whole new level. Takashi challenges David with an ingredient for which he is well known, the egg. David reciprocates with a test based on crab that must be prepared three ways. Then for the Duel, guest judge Andrew Zimmern offers up some of the most bizarre ingredients for their meal. Having to cook with unfamiliar products will push these Masters to their culinary limits.