One of three episodes showing Herschell Bernardi's room in North Hollywood Emergency Hospital, where he recuperated after being hit by a car. The hospital director resisted filming there. But at the end of the film crew's visit, he said, "Now I know how noisy my nurses are." TV Guide July 8, 1961: "A Matter of Maturity," p. 17.
Peter Gunn never smokes a cigarette this episode.