There was a great South Park episode about the COS. Absolutely gross and hilarious as it should be... Basically, Stan Marsh was recognized as the reincarnation of Ron Hubbard and Tom Cruise and John Travolta refused to get out of the closet (well, Stan's closet to be honest). Of course, the SP team had put quite a lot of true COS stuff in it so that it would be a vitriolic attack on the Scientology.