Secret KnowledgeBolsover Castle
Catching up on Secret Knowledge?
Don't want to miss an episode anymore? Set up a free alarm and receive an email when new episodes are available. Handy!
Secret Knowledge
Secret Knowledge is a documentary on BBC4. In a series of authored films, some of our most engaging experts reveal their favourite hidden objects, forgotten places and artistic passions. The program has been available since 2024. A total of 1 episode was broadcast in July 2024.