Arthur is certain that this Christmas will be perfect-lots of snow, a beautiful tree, and a delicious turkey dinner. But when it doesn t snow, D.W. decorates half the tree with trolls and unicorns, and Dad decides to make an authentic Christmas dinner, Arthur isn t so sure anymore. While Francine happily celebrates Hanukkah, the Brain prepares for Kwanzaa, and Buster tries to find a holiday of his own, Arthur starts to think he ll have a terrible Christmas ... until an unexpected guest changes everything. This holiday favorite will have Arthur fans cheering for more.