Secret Knowledge
Secret Knowledge is a TV show 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 2026. A total of 2 episodes have been broadcast, most recently in August 2026.
Last episode
Secret Knowledge
Through interpretations of some Swedish archaeological treasures now on display in Edinburgh, Dr Janina Ramirez looks at Viking culture and its lasting influence on Britain.
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!
Lucy Worsley tells the story of Bolsover Castle in Derbyshire. Built in the early 17th century, it became the pleasure palace of playboy Cavalier William Cavendish.