The CG-animated family comedy Arthur Christmas, an Aardman production for Sony Pictures Animation, at last reveals the incredible, never-before seen answer to every child's question: 'So how does Santa deliver all those presents in one night?' The answer: Santa's exhilarating, ultra-high-tech operation hidden beneath the North Pole. But at the heart of the film is a story with the ingredients of a Christmas classic - a family in a state of comic dysfunction...