Some Christmas movies are by-the-numbers, but The Santa Clause takes a superb original concept and runs with it in magical style. With the 25th December fast approaching, now is the perfect time to sit down with the family and watch Tim Allen’s iconic turn as the big man who spreads joy across the globe. What is The Santa Clause about?Toy marketing director Scott Calvin is spending Christmas Eve with his son, Charlie, when they catch Father Christmas on their roof. Mistaking him for an intruder, Calvin’s yell causes Santa to fall and, well, the unthinkable happens. When the body of the previou…