Langdon first had met Teabing several years ago through the British Broadcasting Corporation. Teabing had approached the BBC with a proposal for a historical documentary in which he would expose the explosive history of the Holy Grail to a mainstream television audience. The BBC producers loved Teabing’s hot premise, his research, and his credentials, but they had concerns that the concept was so shocking and hard to swallow that the network might end up tarnishing its reputation for quality journalism.