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

Based on The Sign of Four by Sir Arthur Conan Doyle

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

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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.