The final three chefs attempt to earn the title of 'Top Chef.'

Chefs and judges reminisce about the season and answer viewer questions.

The two remaining chefs open pop-up restaurants for the final challenge.

The chefs must create salty-sweet desserts that will inspire a new flavor of Talenti gelato; in the Elimination Challenge, the chefs must draw inspiration from the lives of some of Texas's most influential women.

For this episode the contestants have to impress Elizabeth Falkner the owner of Citizen Cake. For the elimination challenge the turn up the heat with a "Sexy Dessert" contest for a fetish party for Mistress S.

As the final four chefs near the end of their journey in Portland, Padma is joined by Vitaly Paley and Gregory Gourdet to introduce an old school Quickfire Challenge paying homage to the Oregon Trail. For the Elimination Challenge, legendary chef and special guest Massimo Bottura tasks the chefs to pull inspiration from his famous parmigiano reggiano dish and create delectable dishes utilizing cheddar five different ways. To gain inspiration, the chefs embark on a tour of the Tillamook Creamery. Dale Talde and Ed Lee serve as this week’s guest judges and help determine which three chefs move forward.

The chefs are tasked with creating a monochromatic plant-based dish for their Quickfire Challenge; for the Elimination Challenge, the chefs are tasked with creating dishes that speak to their souls for a block party fundraiser.

The final two contestants battle for the title of "Top Chef." Guest Judge: Hubert Keller Final Challenge: Cook the Best Five Course Meal Each Chef has Ever Prepared in his Life.

Top dishes for dates are served up by the chefs in Palm Springs, Cal. Later, they cater a wedding for 25 gay couples. Appearing: model Chrissy Teigen and foodie Art Smith.

In a Sudden Death Quickfire based on the iconic Denver omelet, the intensity in the kitchen is egg-ceptional as one chef completely cracks under the pressure in one of the most gut wrenching eliminations in Top Chef history as judged by Padma, Tom and Chef Lachlan Patterson. Then, the cheftestants tap into their college palates as they make dishes in food trucks for students in Boulder. Internet sensation, Logan Paul helps wrangle the diners and Chef Hosea Rosenberg joins the judges for indulgent, hangover inspired food.

The remaining chefs get an early wake-up call from Padma to go meet guest judge Brooke Williamson and dig for clams for their Quickfire Challenge. In the Elimination Challenge, the chefs honor the area where James Beard spent his summers, creating both a hot dish and a cold dish with one of his favorite ingredients, Dungeness Crab. Kwame Onwuachi and Nina Compton serve as guest judges this week to help determine which chefs will move on to the finale.

Padma's baby is hungry, so tonight's Quickfire requires the contestants to create food to tempt Krishna's budding palate. Next, they are paired together for breakfast, lunch and dinner in the in-room dining kitchen.

The pressure is laid on the chefs in the Quickfire Challenge as they are tasked to make a layered dessert. Carrie Baird joins Padma to pick the winner, who will get their dish turned into a Talenti gelato to be sold nationwide. Gregory Gourdet and Kwame Onwuachi take the chefs on a tour of restaurants in Portland that feature food from the African diaspora. For the Elimination Challenge, the chefs must make dishes inspired by their tour for the judging and dining panel, as well as the restaurant’s owners.

For the quickfire challenge the contestants are brought to a convenience store to buy ingredients for their dish. For the elimination round the contestants must create a delicious entree that can be reheated in a microwave for women at a local Junior League.

Taking the traditional and turning it on its ear is tonight's theme. The chefs are asked to make canned food pretty, and then a smaller group must make a "cutting edge" Thanksgiving dinner. Guest Judge: Anthony Bourdain QuickFire Challenge: Create a Tasty Dish Using at Least Three Canned Ingredients. Elimination Challenge: Create a Thanksgiving Meal with a Twist.

This round's theme deals with vision and execution, challenging the chefs' to create original ideas that can also be achieved. First up is snack food limited by three condiments, then on to this season's version of "Restaurant Wars". Guest Judge: Mike Yakura Kraft QuickFire Challenge: Create a Gourmet Snack Dish. Elimination Challenge: Create a Restaurant Concept & Menu, then Execute It with Your Team.

The contestants prepare lunch for the movers and shakers at one of the city's most famous restaurants.

The contestants create their own versions of etouffe; seafood dishes.

Chef Jacques Pepin tests the contestants; the contestants create French and Spanish dishes.

Palm Springs, Cal., is the destination for culinary competition. Here, the chefs use solar-powered stoves in the desert, then prepare dishes on a famed golf course. Appearing: John Besh and Mary Sue Milliken.

The final two chefs face-off to serve the best meal of their lives and earn the coveted title of Top Chef. The finalists will cook an epic four-course progressive meal with the help of three sous chefs, comprised of two eliminated chefs and one from their restaurants back home. The pressure is on as only one chef can win. The chefs must impress a dining room filled with their families, returning judges Graham Elliot and Gail Simmons, and distinguished chefs Joachim Splichal, Jonathan Waxman, Martha Ortiz, Jonathan Sawyer, Daniel Boulud and FOOD & WINE's Nilou Motamed.

The competition reaches new heights as the chefs voyage to the Houston Space Center; they'll have to create a stellar new menu item that they would crave if they were on a multi-year mission to Mars.

Teams compete for the chance to cater a commitment ceremony.

The chefs are divided into teams to concoct entrées in a form best served cold.

The most anticipated and, arguably, the hardest challenge of the competition returns as the remaining chefs divide into two teams to conceive and debut their restaurants.