National Lampoon's Christmas Vacation is a 1989 Christmas Comedy Film and the third installment in the National Lampoon's Vacation film series. It tells the story of the Griswold family spending Christmas vacation at home with their Christmas festivities being attended by their relatives as Christmas shenanigans occur. This red tee features a front Chibi-style graphic of Clark and his Christmas lights and the text that reads " Not The Brightest Bulb". This tee is made of 100% Cotton and is tagless for added comfort. You are going to love this t-shirt. It is perfect for all of your holiday gatherings and Christmas festivities. Make a great gift too.