The 2007 documentary Slaves to Super-stition. Biologist and professor Richard Dawkins tackles the epidemic of irrational, superstitious thinking which is blotting the light of logic and evidence.

After garnering tips on psychics' entirely earthly trade secrets from the illusionist Derren Brown, Dawkins attends a seance and confronts the medium. Time and again, the interviewees appeal to personal revelation or second-hand anecdote to justify their belief.

(1/5): http://www.youtube.com/watch?v=BU11zY8UVDU&feature=related (10'55'')
(2/5): http://www.youtube.com/watch?v=EZ68x0LhDJc&feature=related (9'18'')
(3/5): http://www.youtube.com/watch?v=Utt7k-78bAw&feature=related (8'50'')
(4/5): http://www.youtube.com/watch?v=Gbhpdez4u_Q&feature=related (10'19'')
(5/5): http://www.youtube.com/watch?v=iVb08NR0yVw&feature=related (9'26'')