Sherlock Saturday takes us back to another classic radio adventure featuring Basil Rathbone and Nigel Bruce as Sherlock Holmes and Dr. Watson. Premiering on April 1, 1946 on The New Adventures of Sherlock Holmes radio program, “The April Fools Day Adventure” offered the chance for Watson to join in on a little prank with Holmes leading to a genuine mystery and a first encounter with a character destined to be tied to the detective for years to come.