Five movies, gah this is impossible--
Alien
Tremors
The Shawshank Redemption
Blade Runner
The Toy Story Trilogy (cheating, I know)
...
The Iron Giant
Ghostbusters
The Lord of the Rings Trilogy
The Star Wars Saga
The Lion King
Jaws
The Cabin in the Woods (the most recent film on my 'favorites' list, but oh how I love it!)
Wall•E
Monsters, Inc.
Moon
Buried
Se7en
The Terminator
Five is impossible