The holiday season has arrived, and the chef'testants have a lot to be thankful for. And this year it's not just family these cooks must impress; but also six-time Grammy Award-winning rock band, Foo Fighters, as they join the band for a tour stop in Rochester, New York. Grant Achatz, American chef, restaurateur, and recently named Best Chef in the United States for 2008 from the James Beard Foundation, serves as guest judge.