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The Fabulous Films version of the DVDs is the only official version to have the original soundtrack. ( there are a few old fan versions out there , converted from the original airings). The USA version DO NOT have the original soundtrack.
If you take a look at this page you can read for yourself about the Fabulous Films discs, and see that this set also has a documentary.
You will need to be able to play region 2 discs to be able to watch, so you may have to buy a cheap mulit-region player, its worth the cost.
We are grateful for your fathers service.
If you do decide to buy the dvds , if you use the Amazon link on the site , the site gets a tiny fraction back from Amazon , in these days every little helps to keep the site running.