The contestants' knife skills are put to the test. Later, memorable moments in "Top Chef" history are recalled and celebrated. Judges include Wolfgang Puck, Wylie Dufresne, Jonathan Waxman and Chris Cosentino.

The men square off against the women in the all-encompassing "Restaurant Wars" challenge. Here, eateries are built from the ground up and the chefs try to please the palate of restaurateur Danny Meyer.