This week: Rebecca visits a 140-year-old insane asylum to hunt down things that go bump in the night! What are ghosts, exactly? What causes them? Are they malicious and/or dangerous? Could they be projections of ourselves?! From paranormal field investigators and space clearings to 'living ghosts', tribal and animal ghosts, and disembodied voices, get ready to feel a little bit – or a LOT bit – creeped out by this goose-bumpy episode!