The Changes (TV series)
The Changes is a British children's science fiction television serial filmed in 1974 and first broadcast in 1975 by the BBC. It was directed by John Prowse and is based on the trilogy written by Peter Dickinson: The Weathermonger (1968), Heartsease (1969), and The Devil's Children (1970) (the books were written in reverse order: the events of The Devil's Children happen first, Heartsease second, and The Weathermonger third). == Background == The Changes posits a Britain where a sudden enveloping noise emanating from all machinery and technology causes the population to destroy them.