I think something to remember when they release some of the older films is that the reason they usually don’t have too many extra features, is because added behind the scenes features are a relatively new thing to do. The only reason things like Jurassic Park and Star Wars have so much footage is because most of it was for testing the footage, or capturing the process in case something goes wrong etc. It’s always awesome when they do find things we’ve never seen before, but for the most part pre-90’s it’s not going to exist. So let’s be thankful for what we do get — old faves in high def!