Watch Buddy vs. Duff Season HD Full Free on solarmovie.do. Watch Buddy vs. Duff tv series online free. The competition series will see "Buddy Valastro (Cake Boss) and Duff Goldman (Ace of Cakes) face-off...The competition series will see "Buddy Valastro (Cake Boss) and Duff Goldman (Ace of Cakes) face-off in an epic baking battle for the chance to be crowned the undisputed king of cake."