I have seen the Penn and Teller Bullshit show on "human potential seminars" It was very funny, but they focused on the gimmicks of firewalking, walking on broken glass, and bending rebar with your neck. I don't think they did a very good job of debunking the human potential seminar racket.
I went out to the website for "What the Bleep do we know". It looks pretty
Forum:
Large Group Awareness Training, "Human Potential"