I'm posting this purely for selfish reasons, I need pointers to good docus I've missed.

Here's some that I consider must sees or at least worth watching, in no particular order:

anything with David Attenborough

BBC The Jet Stream and Us
Documentary tracing how human understanding of the jet stream - a ribbon of fast moving air high in the atmosphere - has grown.

BBC The Power of Nightmares: http://en.wikipedia.org/wiki/The_Power_of_Nightmares

Capturing the Friedmans: http://en.wikipedia.org/wiki/Capturing_the_Friedmans

Children underground: http://en.wikipedia.org/wiki/Children_Underground

Grizzly Man: http://en.wikipedia.org/wiki/Grizzly_Man

Guns Germs and Steel: http://www.pbs.org/gunsgermssteel/

White Light/Black Rain: http://www.imdb.com/title/tt0911010/

Home: http://www.imdb.com/title/tt1014762/

Ilha das Flores: http://www.imdb.com/title/tt0097564/

Jesus camp: http://www.imdb.com/title/tt0486358/

Year Zero - The Silent Death of Cambodia: http://www.imdb.com/title/tt0275085/

Nazi Pop Twins: http://www.imdb.com/title/tt1073131/

No End In Sight: http://www.imdb.com/title/tt0912593/

Occupation 101: http://www.imdb.com/title/tt0807956/

Outfoxed - Rupert Murdoch's War on Journalism: http://www.imdb.com/title/tt0418038/

The Human Behavior Experiments: http://www.imdb.com/title/tt0822813/

PBS Frontline - Sick Around America: http://www.pbs.org/wgbh/pages/frontl...aroundamerica/

PBS Dispatches - Iraq's Missing Billions: http://www.journeyman.tv/?lid=56149

The Trials of Ted Haggard: http://www.hbo.com/events/trialsoftedhaggard/index.html

We Feed The World: http://www.imdb.com/title/tt0478324/