For the sixth week straight, the box office is all about James Cameron's Avatar, as it added another $36 million this weekend to set a new record for a movie's sixth weekend gross. More importantly, it has now grossed $552.8 million domestically, making it the second-highest grossing movie domestically, passing The Dark Knight's $533.3 million over the weekend and putting it in sight to cross Titanic's long-standing record of $600.8 million sometime next month. Internationally, Avatar earned $107 million this weekend to push its overseas total to a massive $1.28 billion, surpassing Titanic's previous international record of $1.24 billion. Worldwide, the film has collected $1.836 billion and is about to surpass Titanic's global record of $1.843 billion.