I've given this list to a number of people, it begins with the shortest:
Damon Vrabel - Debunking Money - 12 minutes
Money As Debt - 46 min.
Damon Vrabel - Renaissance 2.0 - 6 lessons, about 60 min. total
Bill Still - Secret of Oz - about 2hrs. and the aforementioned Money Masters - just over 3.5 hours
when your son explains to his prof that without debt there is NO money in our system - the prof might become the student...