Episode
The Sign of Four
- Adaptation: Sherlock Holmes in the 22nd Century
- Episode: 1x10
- Airdate: 20 November 1999
- IMDb: The Sign of Four (link not verified)
- Canon basis: The Sign of the Four
Previous: The Resident Patient
Next: The Adventure of the Dancing Men
| Cast | ||
|---|---|---|
| Jason Gray-Stanford | as Sherlock Holmes | |
| John Payne | as Watson | |