I watched the farm one and I found it interesting from a historical point but also how it is still showing the problems I encounter at work today!
We now have the 55-0-55 system in our factory and RCDs everywhere but people are still complacent. Fortunately, we have only had one electric shock to date.
I cant recall seeing these public info films on TV at any point which is a little strange as many people talk about them. "The Bedtime Routine" is a good one