Richard Dimbleby

This episode perpetrated the great Spaghetti Harvest Hoax on April Fool's Day 1957. The filmed report appeared to show a Swiss family harvesting their annual crop of spaghetti which was growing on trees on their farm, talked about the efforts to eradicate the Spaghetti Weevil and discussed the selective breeding that had been required to produce spaghetti of a uniform length. Many viewers believed what they saw and contacted the BBC to enquire how to grow their own spaghetti tree: the advice that they were given was "place a sprig of spaghetti in a tin of tomato sauce and hope for the best".

This fascinating documentary reveals the behind the scenes story of the Coronation of Queen Elizabeth II, drawing on rare archive footage and made using eyewitness accounts of participants and historical experts.

A California commercial pilot sees a telecast in London of an interview with Sir Mark Lodden at his home. The Canadian is convinced that the baronet is a fraud, and he is actually a look-alike actor named Frank Welney.

The story evolves around a radio panel game show "Twenty Questions." The panel is challenged with an anonymous question. The answer leads to a series of murders in which the killer uses the programme to name his victims in advance. Two reporters spot a link between them and enlist the aid of the panel in trapping the guilty party.

Current affairs programme, featuring interviews and investigative reports on a wide variety of subjects.