There are a lot of documentaries freely available on YouTube.
Sometimes the producers release them for free, but most often other people upload the films and the copyright owners don't bother with taking them down.
xDocumentaries is a central place where you can easily find these documentaries...
Religion, 2006, with Richard Dawkins, 1 hr 36 mins
A television documentary written and presented by Richard Dawkins in which he argues that humanity would be better off without religion or belief in God.
The documentary was first broadcast in January 2006, in the form of two 45-minute episodes (excluding advertisement breaks), on Channel...(show more)