Here's Murder on the Bluebell Line Sherlock Holmes and Dr. Watson investigate the mystery of the Piltdown Man, once thought to be the 'missing link' in the evolution of man, but revealed in the 1950s to be a fraud. - QED BBC 1987 n 1987 the BBC series QED produced Murder on the Bluebell Line starring Hugh Fraser as Sherlock Holmes and Ronald Fraser as Doctor Watson. In this docudrama Holmes and Watson investigate the Piltdown forgery and the possible suspects including Arthur Conan Doyle.