The first full week before Christmas, when people are busy finishing their shopping, is traditionally slow at movie theaters.

But juggernauts are hard to slow down anytime and in the realm of juggernauts, James Cameron's 'Avatar' may the biggest since his 1997 Oscar-winner 'Titanic.' That film set the reigning domestic ($600.1 million) and worldwide ($1.8 billion) box office records and his follow-up is the most anticipated film in years.