John is visited by 3 spirits who try to teach him something even more useless than the true meaning of Christmas in this spoof to "A Christmas Carol".
Sunday School Episode Fun Fact #1: This episode's original 2nd half was completely different from what is seen in the actual episode. And the original ending spoofed the movie "Scrooged". Instead, the original scenes were never animated and were instead replaced by the scenes you see now, due to laziness of it's creator.
Sunday School Episode Fun Fact #2: This episode was meant to develop the John character, as well as the Eric character.