Sherlock Holmes: Season 1, Episode 38
The Case of the Diamond Tooth (19 Sep. 1955)
Whole walking along the banks of the River Thames, Watson finds a diamond tooth. The article takes on more meaning later, however, when Holmes learns that the body of a murder victim had been discovered near where Watson found the tooth.
Writer:Arthur Conan Doyle (characters) (as Sir Arthur Conan Doyle)