S1, E1: Two of the most notorious “mad scientists” in Top Chef history face-off once again, Top Chef All Stars winner Richard Blais and competitor celebrity chef Marcel Vigneron. First, Marcel challenges Richard to make a dessert featuring both a hot and cold component while Richard chooses to challenge Marcel to make one of his specialties, a burger. And for their duel that will decide who moves on to the finale, Richard and Marcel must concoct a three-course meal specifically designed to entice each of the judges’ senses. Although Richard won the title when they competed against one another in Top Chef All Stars, never underestimate the power of revenge!