You are watching Hardrock, Coco and Joe — The Three Little Dwarfs the movie produced in United States of America belongs with duration 3 Min in Category Family,Animation,. broadcast at streamingjoy.com , by [ Centaur Productions ] Hardrock, Coco and Joe is a short stop motion animated cartoon based on a song written by Stuart Hamblen. It is about three of Santa Claus' helpers who ride on Santa's sleigh each Christmas..