Q.E.D. (quod erat demonstrandum, Latin for "that which was to be demonstrated") was the name of a strand of BBC popular science documentary films which aired in the United Kingdom from 1982 to 1999.
Taking two tablets with a glass of water is one thing, but diluting two drops of a drug in a bath full of water hardly sounds like potent medicine. Yet homoeopathic doctors prescribe medicines diluted in more than a million, million, million parts of water. Doctors and vets claim spectacular achievements with such remedies, and scientific trials are producing results which are not easy to explain.