What would be the coolest thing that could happen at it? You know, aside from a portal opening up to suck you into Middle Earth so you could help Bilbo fight his way to the Lonely Mountain. How about Gandalf the Grey coming by to tell you to enjoy the film. That's what happened at one midnight screening in New York City. Sir Ian McKellen came to greet a theater of lucky fans. And he told them they were in for a treat, calling Smaug his favorite of the five movies so far.