Peter Jackson gives us an update, now that he's started filming part two of "The Hobbit."
(The Hobbit, Lord of the Rings)
In a brand-new Hobbit trailer, we get our first look at the troll encampment, and some of Peter Jackson's famous "humor."
In theaters on December 14.
Peter Jackson talks about the methods and equipment used to film "The Hobbit" in 3D.