
1. A Message from the Deep Sea
Aired: Sep 20, 1971A brilliant detective teams up with a young investigator to unravel a bafflin...
A cunning opponent matches wits with a ruthless detective, each determined to outmaneuver the other in a battle over a priceless gem.
Seasons: 2
Current Status: Ended
Network: ITV1
Production Country: United Kingdom
Additionally, viewers have the option to either rent or purchase "The Rivals of Sherlock Holmes" on the following digital platforms: AppleTV, Amazon.