Richard Dawkins documentaries

Richard Dawkins is an evolutionary biologist and is most noted for his activism in promoting atheism.  A few of his documentaries from Channel 4 in the UK are available online (legal and free, of course) via their broadcast station website.

The Root of All Evil?  (later retitled as The God Delusion) (2006)
        Argues that the world would be better off if people rejected religion and belief in God.
     -  Watch the 2-part series at Channel4.com (45 minutes each)

The Genius of Charles Darwin (2008)
     -  Watch the 3-part series at Channel4.com (49 minutes each)

Faith School Menace? (2010)
     -  Watch it at Channel4.com (48 minutes)