Professor Pringle meets a performer who explains how he is able to  swallow -- and bring back up relatively clean-- almost anything, including wallets, purses, spare change, a whole grapefruit and the occasional small animal.

An expert in Angelology tells Professor Pringle about the many angels among us, and explains the difference between guardian, avenging and messenger angels, as well as why it is important to have a no nonsense archangel keeping everyone in line.

Professor Pringle learns about the "science" of using a Y-shaped stick to discover water, urine and pregnant women, when he interviews a man who douses with a divining rod.

Professor Pringle visits an old fashioned ice cream parlor and learns that Vermont is the coca plant capital of the country, the perils of having urine that glows in the dark, and the horrifying invention of mix-ins for ice cream.

Professor Pringle discovers that doves and rabbits can be squeezed into very tiny spaces, the benefits of incorporating a toilet into a card trick, and the logistical problems of encasing someone in Jello, when he speaks with a man who creates magic tricks.

Professor Pringle is entertained and then alarmed, when he discovers the secrets behind a successful wax museum.

Professor Pringle interviews a sewer worker who explains the importance of corpse proof storm drain grates, carefully prodding possum carcasses, and why the temperature of the sewer is always 68 degrees.

A man who designs and builds amusement park rides tells Professor Pringle how he makes mucus fun, explains why sheer terror is the secret to a good thrill ride and how a merry-go-round can teach children the facts of life.

Professor Pringle visits a cookie company where he discovers the link between infants and cookie craving, the strict hand of the International Cookie Federation, and why a cookie is sometimes the best medicine.

Professor Pringle learns about the world of online gaming, the excitement of flying an airliner while sitting at his desk, and the fun of doing hard time in solitary confinement, when he interviews a video game designer.