Stream the full Underfist: Halloween Bash movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.
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.