"Monstrum: The Borley Rectory" examines the history of Borley Rectory, England’s “most haunted house,” and explains how its famous ghost stories shaped modern paranormal investigation. The video traces reported apparitions, folklore about a ghostly nun, witness testimony, séances, planchette writing, and the research of Harry Price and the Society for Psychical Research. It highlights key concepts such as evidence, skepticism, hoaxes, media influence, folklore, and scientific methodology in investigating extraordinary claims. Blending British history, cultural studies, and critical thinking, the episode shows how newspapers, technology, and public fascination turned one alleged haunting into a model for ghost hunting, debunking, and dark tourism. This content supports curriculum connections in history, media literacy, and evaluating sources and claims. Part of the "Monstrum" series.