Professor Pringle journeys to Wisconsin to learn first hand (and painfully) how police batons are made and tested, as he interviews the owner of a billy club factory.

Professor Pringle finds out that there are killers among us -- everywhere-- when he interviews a hunter of serial killers.

Professor Pringle visits with a director who produces nature documentaries and learns that while you can't get wild animals to say "cheese," there are a disturbing number of other things you can do to get just the right shot.

Professor Pringle finds out that talking to the dead can be a real pain, kind of creepy, and may change your bathroom habits, when he interviews a medium who communicates with "the other side."