Christmas Vacation is a 1989 American comedy film, directed by Jeremiah S. Chechik, and written by John Hughes. The film is the third installment in the National Lampoon's Vacation film series, and stars Chevy Chase, Beverly D'Angelo, Randy Quaid, Juliette Lewis, Johnny Galecki, and Diane Ladd. It is about the Griswold family's plans to have the perfect family Christmas, but things don't go as planned.