Guarda su Altadefinizione. This holiday tale offers a spin on the classic Clement C. Moore creation The Night Before Christmas. Gregory is a mouse who accidentally learns of a plan by an evil elf to keep Santa from delivering presents to all the good boys and girls. He sets off to stop the bad elf and gets help from a variety of beings including a fairy, an owl, and an older mouse. Kevin Kline provides vocal work on this production.