Top Chef: Boston is the twelfth season of the American reality television series Top Chef. The season was formally announced on August 20, 2014, and premiered on October 15, 2014. Filming for Season 12 took place from May through June 2014 in locations around Boston, Massachusetts, concluding with a finale in San Miguel de Allende, Guanajuato and the surrounding area. Top Chef: Chicago finalist and Top Chef: All-Stars winner Richard Blais debuted as a recurring judge, joining Tom Colicchio, Gail Simmons, Hugh Acheson, and host Padma Lakshmi on the judging panel. Last Chance Kitchen also returned for its fourth season, beginning with a two-part redemption mid-season and continuing until the first part of the finale. In the season finale, Mei Lin was declared the winner over runner-up Gregory Gourdet. Unlike previous seasons, no Fan Favorite vote was held.

Top Chef: All-Stars L.A. is the seventeenth season of the American reality television series Top Chef. The season was first announced on November 16, 2019, during a Top Chef-themed panel at Bravo's inaugural fan convention, BravoCon. The competition was filmed in Los Angeles, California, the same setting as the second season. The season finale took place in Italy, marking the first time the show has traveled to Europe. As with the previous all-stars edition, the cast of All-Stars L.A. was composed entirely of returning contestants. Padma Lakshmi and Tom Colicchio returned to judge, along with Gail Simmons, following her absence from the previous season. Along with the return of Last Chance Kitchen, a new web series titled What Would Tom Do? debuted, showcasing Colicchio's approach to the contestants' various challenges. The winner received US$250,000.