First transmitted in 1984, Chocky is a six-part TV adaptation of John Wyndham's clever novel. Matthew, an apparently normal 12-year-old boy, starts talking to an invisible presence called Chocky, who quizzes him on a wide variety of subjects as if unfamiliar with life on Earth. Over the course of the serial it is suggested that Chocky is an alternate personality or, after Matthew has been ...