You are watching Underfist: Halloween Bash the movie produced in US belongs with duration 61 Min in Category Action,Comedy,Family,Fantasy,Animation,. broadcast at streamingjoy.com , by [ Cartoon Network Studios ] Irwin, Hoss Delgado, Jeff the Spider, Fred Fredburger, and General Skarr from the "Grim Adventures of Billy and Mandy" team up to fight an evil candy army from the Underworld on Halloween..