The Story of the Trolls

S1 E16: Two children have asked for a book on the world of Elves. It’s a subject close to our elf-heroes’ hearts. They decide to make a special effort and produce an animated book in 3D. But a laser beamed in from Grizzlebeard’s house disrupts the toy machine. The terrible devastator trolls burst out and smash up the factory! How is Santa Claus going to get rid of them?