I have all penn&teller seasons on dvd. Good show. If you like that sort of thing you can also check out Free inquiry, and Sceptic magazine. Good source for mockery of the crystal rubbing, tucson living, beads wearing, coffee enema taking, homeopathy swearing by, herbal tea swilling, hemp shoes sporting, ghost seeing, séance having, ouija board using, ley line tracing, lochness monster fucking, 2012 fearing, future telling, vortex snorting, chupacabra molesting, alien abduction victims. The occasional scientific article is also a draw for the literate crowd.
"When in doubt, whip it out"- Mother Teresa