主演：林赛·沃恩 Mitra Najibeth Yosri Lucy Riles Donna Modafferi Linh Iacona Chelsey Lowe Vania Zuniga Mark LeBlanc Brian Calvert Daniel Reese Chisum Joe Johnson Josh White Kioni 'Kentucky' Russell Gallahue
简介： Twelve teams of dogs and their humans compete in an epic adventure across multiple continents