Sherlock Holmes (Arthur Wontner) returns to the scene of one of his greatest triumphs for some rest and relaxation, but a missing racehorse and two deaths soon have him working again – and on another collision course with Professor Moriarty. 1937. Part 1 of 2. First posted April 14, 2008.
This film also has an MFTB described video version, with no breaks or host segments: