From the late-night television talk show "Tomorrow with Tom Snyder".
In this conversation, Hitchcock shares, among other things, some pranks he has played on others and tells some scary stories. Hitchcock was at this point in his career a year after the premiere of "Frenzy" and three years before the completion of his last film, "Family Plot," in 1976.
Sir Alfred Hitchcock (1899-1980) was an English filmmaker. He is widely regarded as one of the most influential figures in the history of cinema. In a career spanning six decades, he directed over 50 feature films, many of which are still widely watched and studied today. Known as the "Master of Suspense", he became as well known as any of his actors thanks to his many interviews, his cameo roles in most of his films, and his hosting and producing the television anthology "Alfred Hitchcock Presents" (1955–65). His films garnered 46 Academy Award nominations, including six wins, although he never won the award for Best Director despite five nominations (Wikipedia).