Documentaries
A documentary about making documentaries, "Capturing Reality," and also "You Only Live Twice" (Second Life), both from the Documentary Channel
Documentary Channel's YouTube channel
Here is a CBC documentary on antidepressants that runs about 43 minutes.
Documentary about Food Waste in the U.S.
There is a poor quality renditon of Noam Chomsky's "Manufacturing Consent" at http://video.google.com/videoplay?docid=-5631882395226827730#, but it is visually annotated.
documentaries from dailymotion.com (poor man's YouTube)