The Story of Stuff - A wonderful, enlightening presentation of the problems associated with North American consumerism and its Global impact.
The Stimulus - a very simple description of how governments do busines today
Five Little Monkeys - I heard this story many years ago and never forgot it. It has made me think many times about my own behaviour. There were 6 monkeys in the original UCLA behavioral study, but this video portrays the essence of how learned behaviour controls many outcomes