On a ""once in a blue moon"" Saturday, George is off work, so Alan and Nathaniel look forward to having some fun with their dad--but the adults decide ""Family Chore Day"" comes first. Well...that is until Grandpa, George, and the boys end up test driving a beautiful red Buick to Coney Island and Phyllis and Grandma play hookey at the new Danny Kaye movie with a stop for ice cream at Sid's afterward.