This looked like a fun way to waste time. Here goes!
1. Pick 15 of your favorite movies.
2. Go to IMDB and find a quote from each movie.
3. Post them for everyone to guess.
4. Fill in the film title once it's guessed.
5. No cheating. That includes search engines such as Google and IMDB's internal search engine.

1. But, John. If the Pirates of the Caribbean breaks down, the pirates don't eat the tourists.

2. "No! No! No!" Over and over! When you keep saying "No!" it just makes me so... Sometimes you make me so!... angry!
ENCHANTED

3. She would be eating if we were having Tonyloaf.
THE INCREDIBLES

4. I was just at home, practicing my new twist on The Twist, when I overheard it on the news. I can't believe Tracy savagely bludgeoned an Eagle Scout. That's just not like her.
HAIRSPRAY

5. I'm your density. I mean... your destiny.
BACK TO THE FUTURE

6. You expect me to believe that scantily clad, in the arms of another man, in the middle of the night, inside an elephant you were rehearsing?
MOULIN ROUGE!

7. Whoa... He just stole that guy's pizza!
SPIDER MAN 2

8. Just try and stay out of my way. Just try!
WIZARD OF OZ

9. I had a little trouble with the fireplace.

10. Keep all that cuddly bear stuff to a minimum, okay, kid?
BROTHER BEAR

11. Throughout human history, we have been dependent on machines to survive. Fate, it seems, is not without a sense of irony.
THE MATRIX

12. Come on into the water!

13. You will join me for dinner!
BEAUTY AND THE BEAST

14. Now I've asked you forty different ways and it's time you come up with a fresh answer.

15. I can't. I'm involved now. You let go, and I'm, I'm 'onna have to jump in there after you.
TITANIC

These are all fairly easy, but I still hope you guys have fun figuring that out all the same.