Sherlock Holmes in the 22nd Century

The Sign of Four (1x10)

Data di messa in onda: Nov 20, 1999

Mary Morstan comes to Holmes with a problem. The solution of that problem, however, will lead them clear to the moon! Mary's father had been killed in a mine accident on the moon years ago. Now Mary is finding out that the circumstances were strange then, and the sequel is even stranger now.