NOTE: Some of the documentaries on these sites may be there illegally. The links are to embedded documentaries which are assumed to be publicly available, coming from a variety of video hosting servers including, but not limited to, YouTube, YouKu, Mega Video, Google Videos, etc. The listed sites all have a disclaimer such as: "All issues concerning copyright violations should be aimed at the sites hosting the material. We do not own or imply ownership of any of the documentaries. All are assumed to be either in the public domain or uploaded with the consent of their copyright owners."