Just in case you want to see it and don't already own it:
ABCFAM Thu, Dec 22, 9:00 PM National Lampoon's Christmas Vacation
ABCFAM Fri, Dec 23, 6:00 PM National Lampoon's Christmas Vacation
ABCFAM Sun, Dec 25, 10:00 PM National Lampoon's Christmas Vacation
I believe all the times are EST.