The Pack S1, E4

Twelve teams of dogs and their humans compete in an epic adventure across multiple continents

Cast:Lindsey Vonn , Mitra Najibeh 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 , Dixie the Dog , Lya Battle , Giulio Benuzzi , Hildi Santo Tomas , Jessica Michault