Helen Stoner needs the great man's help. She lives in a country mansion with her flamboyant and sinister guardian Grimesby Raylott, who has travelled abroad and brought home some souvenir livestock. Recently her sister Julia, about to be married and made by Raylott to sleep in a bed that was screwed to the floor, died in mysterious circumstances. Her final words referred to a "speckled band." Helen is fearful for her own safety and Holmes and Watson investigate.
A respectable businessman disappears from an opium den in London's East End.
Holmes and Watson are called to help when sinister cartoons of dancing men appear across a house in Derbyshire and scare the life out of one of the inhabitants, Mrs Elsie Cubitt. As Holmes begins to think twice about the meaning of the doodles, a sinister lurker dwells nearby...
Holmes and Watson are called to investigate the murder of a man in an abandoned building. Finding that the body is found close to a wedding ring and the German word 'Rache' written in blood on the walls, Holmes realizes this could be his most dangerous case yet...
Holmes is asked to solve the mystery of the death of Sir Baskerville and protect the heir to his estate Sir Henry Baskerville. Staying in London and sending Watson to protect Sir Henry, Holmes' trust sidekick ends up on the moors of Dartmoor, where the legendary Hound of The Baskervilles is said to roam...
As Watson begins to suspect the mysterious Hound of The Baskervilles is not so fictitious as it is said, Watson finds his life in danger when an escaped convict is found on the moors. Troubles arise as Watson has to protect himself and Sir Henry from the beast whilst being observed by a mysterious figure roaming the landscape...
A young man stands on trial for murdering his own father in cold blood but he protests that he is innocent, which attracts Sherlock Holmes to investigate his case. Immersing himself in the strange goings-on. Holmes unearths an old quarrel that has a sinister tie to Austrailia...
Sherlock becomes entwined with the life of his older brother Moycroft, and he and Watson soon find themselves confronting a most mysterious case. A Greek interpreter seeks their help to uncover the identity of a Greek hostage for whom he was anonymously forced to interpret. A girl is also involved and Holmes is given very little time to solve the case until the Grecian is killed...
Holmes and Watson face their most dangerous case yet when they are called to help find a stolen Naval Treaty between France and England. Worlds peace is at stake and Holmes' actions may determine the future of the country...
Holmes and Watson are called to help Miss Violet Smith, who believes she is being stalked by a masked man who follows her along a lonely road when she regularly travels by bicycle. Holmes realizes a life may be at stake and begins to investigate the case, and finds himself caught up in a hidden agreement, to which Miss Smith is the unwilling subject...
Sherlock Holmes and Doctor Watson are asked by a young lady to accompany her to a strange location after a letter asks her to travel to a place where an anonymous figure plans to unveil the true fate of her long-lost father. Holmes and Watson find themselves in a sordid tale of murder, hidden treasure and cannibalism where the only suspect is a man with a wooden leg...
It is Christmas time and Holmes and Watson are drawn into a case of theft when a missing jewel is found in the crop of a Christmas goose. Trailing around London trying to find the whereabouts of the goose's owner, The duo find that the criminal they seek is close to the victim of the theft...
