I really love watching documentary movies. Whether it's a new Michael Moore movie, some 9/11 conspiracy, arrest of legendary drug cartel, life of Che Guevara, Iraq war, origins of Palestine/Israel conflict .... , most of the professionally made documentaries are quite interesting and educational. If you share this passion, here are some resources to watch documentary movies online.

This website aggregate documentary videos from Google Video or Guba.com and nicely organize them into categories i.e. politics, health, history, religion, business etc. Check out this web site: Best and free online documentaries

Miro (formerly Democray Player) is an all-in-one video player where you can navigate though and subscribe to over 1500 web shows, documentary channels and podacsts. Channels include TED Talks, Frontline/World, NOVA etc. mostly in HD content. Simply choose the channels you like, hit suscribe button and Miro will download new episodes as soon as they are out. You can also browse and watch existing content as well.

OneBigTorrent is the first place for quality documentary torrents. In their own words: "OneBigTorrent.org is a new place for sharing material that deals with or is relevant to issues of social justice, progressive and radical politics, independent media, ecology".

Another good source for documentary movie torrents is MVGroup. The site is a forum and thus a bit hard to navigate, though it still has an active userbase.