Having seen the relationship between Snoopy and Charlie Brown, Rerun van Pelt is desperate for a dog of his own for Christmas. He asks Santa Claus for a dog. Unfortunately, his mother and older sister Lucy Van Pelt do not believe that he is old enough to care for a dog. Frustrated, Rerun asks Charlie Brown if he can play with Snoopy. While initially cooperative, Snoopy quickly tires of Rerun's idea of fun and games; after a while Snoopy begins to snub Rerun.