Slate.com offers up a slice of that "old time religion" as begun by none other than L.Ron Hubbard.
The article links to a contract that all prospective members of the Church of Scientology must sign.
The contract is designed to limit liability for the Church when members feel they've been mistreated.
I don't know about you, but doesn't it seem rather odd that a church needs a waiver of legal rights by it's members? What are they doing that could expose them to liability?