If you're reading this post chances are you like film. And if you like film, there is a distinct possibility you enjoy a good documentary too. So it doesn't get much better than a documentary about film, right?
Here's a list of ten of the best documentaries ever made about the making of a movie. Some of them are about cinematic masterpieces. Some of them are near masterpieces in their own right. Some of them are about films, which really aren't all that great but every single one of them is well worth spending your time on if you have a passion for movies.
http://www.tasteofcinema.com/2014/10-best-making-of-documentaries-you-need-to-watch/