To celebrate the milestone 20th season, Top Chef returns for an epic international showdown with World All-Stars in London. Sixteen of the greatest competitors, including winners and finalists, representing 11 different Top Chef iterations around the globe face off in the fiercest showdown the culinary series has seen. For their first Quickfire Challenge, the chefs pair up and combine ingredients to cook a dish featuring U.K. seafood. Then, in the first Elimination Challenge, the chefs must create vegetable-forward dishes where protein serves as the accompaniment. ...

In the second Quickfire, the chefs are challenged to make an amuse-bouche that must fit on a Ritz Cracker. With a display of unexpected ingredients, the chefs must quickly find a way to incorporate three different items all onto one cracker. Two-star Michelin chef Santiago Lastra serves as guest judge. The competition heats up, and the chefs head to Alexandra Palace, where they must create dishes featuring rice for 100 guests. Cooking rice on Top Chef is risky business, and cheftestants from all around the globe must rise to the occasion to cook with this simple ...

In lieu of a Quickfire, Tom and Gail surprise the chefs with an old-fashioned pub crawl around Central London. Pints are consumed and food is devoured until the judges reveal the Elimination Challenge. In teams of two, the chefs are tasked with recreating and elevating a classic pub dish. And to top the pressure, two chefs will pack their knives. Guest judges Brett Graham and James Cochran join Padma, Tom and Gail as well as a room full of guest diners.