
1. A Message from the Deep Sea
Aired: Sep 20, 1971A brilliant detective teams up with a young investigator to unravel a bafflin...
A masterfully crafted ruby necklace is stolen, and its creator finds themselves unwittingly caught up in a complex web of lies when the thief tries to sell it back, culminating in a thrilling showdown.
Seasons: 2
Current Status: Ended
Network: ITV1
Production Country: United Kingdom
Currently, you have the opportunity to watch "The Rivals of Sherlock Holmes" by streaming it on the following platforms: Britbox.