Overview: In this week’s Quickfire Challenge the chefs must use each of their five senses to identify mystery ingredients -- however they can only use one of their senses at time. In the Elimination Challenge, the masters help a man propose to his unsuspecting girlfriend on her favorite show, Top Chef Masters. In a six-course meal, the chefs must create dishes that reflect different stages of the couple’s relationship, but could one bad dish ruin the whole plan?