The Sign of Four

Based on The Sign of Four by Sir Arthur Conan Doyle

The great detective is bored, until a young woman arrives looking for her father. Stars Clive Merrison and Michael Williams.

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More episodes from this series

The Sign of Four | Part 1 - Timbertoe

The Sign of Four | Part 1 - Timbertoe

1989 | 57'21''

The great detective is bored, until a young woman arrives looking for her father. Stars Clive Merrison and Michael Williams.

The Sign of Four | Part 2 - The Great Agra Trap

The Sign of Four | Part 2 - The Great Agra Trap

1989 | 57'02''

The case is proving difficult to crack, and for Watson there are tricky matters of the heart to negotiate.

The Sign of Four | Part 1 - Timbertoe

The Sign of Four | Part 1 - Timbertoe

1989 | 57'21''

The great detective is bored, until a young woman arrives looking for her father. Stars Clive Merrison and Michael Williams.

The Sign of Four | Part 2 - The Great Agra Trap

The Sign of Four | Part 2 - The Great Agra Trap

1989 | 57'02''

The case is proving difficult to crack, and for Watson there are tricky matters of the heart to negotiate.

The Sign of Four | Part 1 - Timbertoe

The Sign of Four | Part 1 - Timbertoe

1989 | 57'21''

The great detective is bored, until a young woman arrives looking for her father. Stars Clive Merrison and Michael Williams.

The Sign of Four | Part 2 - The Great Agra Trap

The Sign of Four | Part 2 - The Great Agra Trap

1989 | 57'02''

The case is proving difficult to crack, and for Watson there are tricky matters of the heart to negotiate.
Other Archive resources
Sherlock Holmes | BBC One | 2017

Sherlock | S4E3: The Final Problem

Someone has been playing a very long game indeed and, alone and defenceless, Sherlock and Dr Watson face their greatest ever challenge.
Sherlock Holmes | BBC One | 2017

Sherlock | S4E2: The Lying Detective

Sherlock faces perhaps the most chilling enemy of his long career: the powerful and seemingly unassailable Culverton Smith - a man with a very dark secret indeed.