Sherlock Holmes and Dr Watson investigate the legend of a supernatural hound, a beast that may be stalking a young heir on the fog-shrouded moorland that makes up his estate.

The master sleuth hunts his archenemy, Professor Moriarty, who is planning the crime of the century.

When a German saboteur jeeringly predicts to the nation new depredations, via their radio "Voice of Terror", the Intelligence Inner Council summons Sherlock Holmes to help in the crisis.

Sherlock Holmes and Doctor Watson must protect a Swiss inventor of an advanced bomb sight from falling into German hands.

Sherlock Holmes and Doctor Watson travel to Washington D.C. in order to prevent a secret document from falling into enemy hands.

During WWII, several murders occur at a convalescent home where Dr. Watson has volunteered his services. He summons Holmes for help and the master detective proceeds to solve the crime from a long list of suspects including the owners of the home, the staff, and the patients recovering there.

Sherlock Holmes investigates a series of so-called "pajama suicides". He knows the female villain behind them is as cunning as Moriarty and as venomous as a spider.

After a gentlewoman is found dead with her throat torn out, the villagers blame a supernatural monster. But Sherlock Holmes, who gets drawn into the case from nearby Quebec, suspects a human murderer.

After a valuable pearl with a sinister reputation is stolen, Sherlock Holmes must investigate its link to a series of brutal murders.

Sherlock Holmes investigates a series of deaths at a castle with each foretold by the delivery of orange pips to the victims.

Sherlock Holmes investigates when young women around London turn up murdered, each with a finger severed. Scotland Yard suspects a madman, but Holmes believes the killings to be part of a diabolical plot.

Holmes is recruited to escort the heir to a European throne safely back to his homeland after his father's assassination.

When the fabled Star of Rhodesia diamond is stolen on a London to Edinburgh train and the son of its owner is murdered, Sherlock Holmes must discover which of his suspicious fellow passengers is responsible.