Nanny's broth is a soup made by the Nanny of Professor Frank N. Stein. Green, steaming and foul-tasting, Nanny uses this concoction to help Head recover from his drink problem. It is suggested that the broth poisoned half of the Mid-Glamorgan Light Operatic Society and turned the Prof into the lunatic he is today. The broth has a patent pending, as if anybody else would want to make such a thing again...