Godfather 2
Aliens
Terminator 2
The Empire Strikes Back
Indiana Jones and the Temple of Doom
The Dark Knight (In fact I'm gonna put this on before El Classico!)
Harry Potter and The Prisoner of Azkaban (Not sure if this can be classed as it's the third film in a series) The first film that was as half as dark as the book. A three-quel if you would!
Scream 2
The Naked Gun 2 and a half!! Classic!!!! :D