that's #16 and the answer is : This is Spinal Type : (Highlight to read)
Here are all the answers I have gotten 1. Alien
2. Bridget Jones's Diary
3. Edward Scissorhands
4. ET
5. Indiana Jones and the temple of doom
6. jaws
7. The wizard of oz
8. Piranha
9. reservoir dogs
10. Saturday night fever
11. the birds
12. The hunt for Red October
13. The Shining
14. The terminator
15. The usual suspects
16. This is spinal Tap
17. titanic
18. american beauty
19. moonraker
20. Star Wars