If you enjoyed the Richard Dawkins documentary I linked to yesterday, I recommend you also check out:

• The Root of Evil: The God Delusion (47:51 on Google Video)
• The Big Question: Why Are We Here? (23:34 on YouTube)
• The Blind Watchmaker (47:34 on Google Video)
• Queerer than we can suppose: the strangeness of science (22:42 at the July 2005 Ted Talk)