Top Chef Season 15 ( Air Date 2017-12-04 ) Genre Reality category. Overview "In season 15, the competition reaches new heights as the chefs battle it out on an epicurean road trip through Colorado, traveling to Denver, Boulder, Telluride and Aspen. From deconstructing the Denver Omelet and preparing Rocky Mountain Oysters to tailgating with the Broncos, the level of competition for these 15 chefs is going to be a mile high.".