Plot: Dr Tia in Botswana reveals he isn't looking to change the culture of a continent, but just wants to earn the people's reverence. We also discover the origins of job interviews when a new caveman wants to join the tribe; the Second World War pilots eye up two 'buff' women in uniform; Dr Dennis Lincoln-Park is in the Dutch university town of Leighton with a rare and precious tulip; Weird Howard joins in on stag-do stories and relays a practical joke he played on a friend involving potassium hydrochloride from a Russian website; and Jilted Jim pops up from the bottom of the Jacuzzi, where he's been for four minutes trying to starve his brain of oxygen in a desperate attempt to forget the memory of his wife's fling