National Lampoon’s Christmas RV Bobble (Presale)Pre order your National Lampoon's Christmas RV Bobble. In "National Lampoon's Chrsistmas Vacation," Cousin Eddie and his family arrive at the Griswold home in a dilapidated RV that perfectly embodies their down on their luck lifestyle. The battered motorhome parks uninvited in Clark's driveway, and Eddie proceeds to empty its sewage tank directly into the street storm drain in one of the film's most memorable (and revolting) scenes. The decrepit RV