Ron Duprat

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

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

The final three chefs attempt to earn the title of "Top Chef" by cooking the best meal of their lives.

The chefs must whip up the perfect breakfast in bed dish and chef Nigella Lawson serves as guest judge.

Contestants visit "Craft Steak" in Las Vegas to cook for actress Natalie Portman and friends, meanwhile other cook using the theme `TV Dinner'.

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