Where can i find a documentary about Bodybuilding?

I’m not talking about Pumping Iron, that is obviously a docu/drama about bodybuilding, but I am talking about a movie that talks about the history of Bodybuilding.Not a movie like "The Way to Mr. Olympia 2004", but a movie that talks about the beggining of of bodybuilding like Eugen Sandow, to todays guys. Thanks!

Don’t know if this is what you are looking for

http://www.shapefit.com/bodybuilding-documentaries-raising-the-bar.html