This Week in Trailers: 'Trek,' 'Potter,' 'Watchmen,' and More

This was a ridiculous week for new trailers. In fact, it's probably the best week for two-minute movie commercials since this summer. Really, with one exception, we don't have any filler; they're all pretty much grade-A choices...OK, I might be giving the new Roland Emmerich disaster flick too much credit. But if you need to catch up on some of the ones you've missed lately, they're right here.Brand new Star Trek trailer leaked onlineA second look at Harry Potter and the Half-Blood PrinceThe latest Watchmen trailer is even better than the first oneIt's Indiana Jones and the Illegal Immigrants: Harrison Ford in Crossing Over 2012: It's like Roland Emmerich's other movies, only in this one the world faces extinction. Wait... The Day the Earth Stood Still takes a step up with this international trailer