Kevin Gillespie

The contestants take over chef Rick Moonen's restaurant while he serves as their guest judge.

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

Contestants visit Craft Steak in Las Vegas to cook for actress Natalie Portman and friends.

The final four chefs compete in Napa Valley to determine who will be the final three.

The chefs host a "Pig and Pinot" event at guest judge Charlie Palmer's Aureole restaurant.

This week's challenge is based on the Bocuse d'Or - one of the world's most prestigious cooking competitions founded by famed chef Paul Bocuse. His son, Jerome Bocuse, guest judges along with special guest, renowned American chef Thomas Keller.