In an era of prestige television, Netflix’s The Crown towers over the competition. One of the most expensive shows on television, it comes right up to the line of being a parody of prestige TV with its lavish production values and serious drama without ever toppling over. The first two seasons explored the beginning of Queen Elizabeth II’s reign as she struggled between her personal desires and the cold, harsh duty of the crown. Season three begins in the mid-1960s with a new cast to play slightly older roles. The older actors add a new dimension as …