On a family holiday, those who gather around the TV set usually are in search of a family movie – something everyone can watch at the same time, just as they (we) did in the old days. Well, here’s one perfect option: Director Rob Reiner’s flawless 1987 film version of William Goldman’s novel and screenplay. Even better, it's being offered through a Cary Elwes-hosted marathon beginning at 1:00 p.m. and ending with the final showing at 12:15am. The supporting players steal the show here, especially Mandy Patinkin, Wallace Shawn and Billy Crystal. What joy.