Going on a ghost hunt

As the Halloween lanterns came out and the costumes came on, The Naked Scientists team wanted to find out about the psychology of paranormal beliefs. The bravest of them volunteered one dark, eery night to creep around the supposedly haunted Madingley Hall in Cambridgeshire, on a mission to find out what might be lurking there...

Originally from the show Trick or Treat: The Science of the Paranormal.