This was an impressive piece of work and well worth watching for a number of reasons, not least of which:
1. It was cutting edge technology of the time.
2. It shows what the JWs (or rather Bible students) believed at the time they were picked by Jesus as the one true religion.
A few of my personal highlights:
The Nativity story set to Silent Night (starts at 6:40):
http://www.youtube.com/watch?v=iFA1G8E3ax8&feature=channel
The hymn Nearer my God to thee (of Titanic fame) set to the last supper: (starts at 2:30)
http://www.youtube.com/watch?v=EcytVBrXYBc&feature=channel
The crucification; on a Cross no less (starts at 6:45):
http://www.youtube.com/watch?v=7pvBKOdQTKg&feature=channel
Enjoy!