National Lampoon's Christmas Vacation(1989)

As the festive season draws near, Clark Griswold (Chevy Chase) endeavors to orchestrate an impeccable family Christmas celebration, persistently directing his spouse, Ellen (Beverly D'Angelo), and offspring while meticulously overseeing all arrangements, encompassing the selection of the Christmas tree and the embellishment of the residence. Nevertheless, circumstances rapidly deteriorate. His unsophisticated cousin, Eddie (Randy Quaid), arrives unexpectedly with his family and establishes residence in their recreational vehicle stationed on the Griswold estate. Compounding these difficulties, Clark's employer fails to honor the anticipated holiday compensation upon which he had relied.