First broadcast 1st May 1984.

A gentleman is baffled when the childish drawings of little dancing men terrify his American wife.

Jeremy Brett ... Sherlock Holmes
David Burke ... Dr. John Watson
Tenniel Evans ... Hilton Cubitt
Betsy Brantley ... Elsie Cubitt
David Ross ... Inspector Martin
Eugene Lipinski ... Abe Slaney
Lorraine Peters ... Mrs King
Wendy Jane Walker ... Saunders
Paul Jaynes ... Walker
Bernard Atha ... Dr Carthew
Tommy Brierley ... Cabbie