The South Park episode was great - did you notice what they did with the credits on that episode?
As far a Scientology,
http://www.clambake.org has some good information, and I also find Rick Ross's site interesting.
http://www.rickross.org (lots of different cults, not just Scientology). BTW, Narconon is a Scientology front, rather than a credible substance abuse treatment program.