Season 1, Episode 10
The Sign of Four
Air Date: 1999-11-20
Overview: 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.
Runtime: 30 minutes
5.0 / 5
