To some, Satanism is a religion as valid as Christianity - to others it’s a dangerous cult. With thousands of devotees and popularity rising, it's time to unearth its origins, tales and beliefs. Is there a darker side to the ancient ritual Black Mass?

Cast List:

Jamie Theakston: Investigative reporter

Gavin Baddeley: Church Of Satan, UK

Jack Orr: Local guide at Hellfire Caves, West Wycombe

Rev. Lionel Fanthorpe: Author ‘Mysteries & Secrets of Time’

Andrew Gough: Writer, presenter and editor of The Heretic Magazine 

Ross Andrews: Author & Historian

Richard Felix: A historian and lecturer specialising in local and paranormal history

Heather Osborn: Author & Historian

Edward Dashwood: Baronet, West Wycombe Estate

Aron Paramor: Occult Researcher

Eric Meyers: Narrator

Learn more about your ad choices. Visit megaphone.fm/adchoices