It seems that you're using an outdated browser. Some things may not work as they should (or don't work at all).
We suggest you upgrade newer and better browser like: Chrome, Firefox, Internet Explorer or Opera

I am playing this game aigain for the fourth time, this time on GOG. And I found one directors commentary.
Where are they? Tried to find some youtube video to show me where to find them, I found one. That video only showed a few of them.

Have you found all of them?