The video is supposed to be for sale through the Silversides's gift shop. However, the gift shop online doesn't seem to be functioning right now. A call to them may be a way to buy the video.
And yes, it's detailed. Every room, every compartment seems to be covered. He talks about each motor and engine and what it does, inductions, valves, gears, hatches, gauges, levers, etc. I'm sure that EVERYTHING isn't covered, but I sure learned a lot. I think it's about 90 minutes.