The BBC has released a documentary series, Paranormal: The Girl, the Ghost and the Gravestone.
"Once Britain's most haunted house, a remote Welsh farm faced relentless, terrifying events. Sceptic Sian Eleri delves into the mystery - and questions all she thought she knew."
The four episodes are available here: Paranormal: The Girl, the Ghost and the Gravestone. [EXTERNAL LINK] and should be available for residents in the UK.
Tom Ruffles, SPR council member, has written a blog post about the series:
Goodbye Doli, Welcome Jane: The Girl, the Ghost and the Gravestone