N. F. Simpson which no episodes survive. His final series for television was the unsuccessful "Charley’s Grants" (1970), co-written with John Fortune and John Wells, starring Hattie Jacques, and produced by Ian MacNaughton (who produced "Monty Python’s Flying Circus"), which is also entirely lost. Plays followed, including a satire on advertising, "Thank You Very Much" (1971), and an effective three-hander for ITV, "Silver Wedding" (1974), directed by Mike Newell. Simpson’s highest-profile production for television was "Elementary, My Dear Watson" (1973), a Sherlock Holmes parody for BBC One’s "Comedy Playhouse" starring John Cleese and Willie Rushton. It has been screened several times at the
Monty Python's Flying Circus Time-Life, and Spam, and 8 sports references. Some references do double count in various categories. It is also notable that American music is regularly heard in the show, such as the theme to the television series "Dr. Kildare", but most prominently the show's theme tune ("The Liberty Bell" by John Philip Sousa). While American entertainment was a pervasive cultural influence in Britain at the time of the production of the series, not all references to American culture can be seen as conscious decisions. For example, Terry Jones did not know that Spam was an American product at the time he