The Illusionists (http://www.wired.com/news/technology/0,71988-0.html) - Not a video, but an article about them.
Bullshit Bible (http://www.noolmusic.com/blogs/YouTube_Viral_Videos4_-_Penn_and_Teller_-_Bullshit_-_Bible.shtml)
On Creationism (http://throwawayyourtv.com/2006/04/bullshit-creationism.html)