The Slide is a sci-fi radio serial in seven parts by Victor Pemberton. The story begins with an earthquake in Southern England, and then the local wildlife starts to disappear. It starred Roger Delgado as Professor Josef Gomez, Maurice Denham as Hugh Deverill MP, David Spenser as Dr. Ken Richards and Miriam Margolyes as Mrs. Wilson. The producer was John Tydeman and sound effects were by the BBC Radiophonic Workshop. The Slide was Victor Pemberton's first science fiction story; it was accepted as a radio serial commissioned by future Doctor Who producer Peter Bryant.