The grumpy Old Man on the moon hated Christmas with a passion. One Chistmas Eve he woke up grumpier than usual, took out his crooked trumpet and started blowing black bubbles which grew bigger and bigger until they covered the stars and the skies and earth was soon enveloped in darkness. Nobody felt like celebrating that Chistmas Eve, and on Chistmas Day, Karl and Martina woke up to find no presents, no lights, no Chistmas fever ...