Sherlock Holmes 1984 | TV Show Watchlist

Season 4, Episode 1 The Sign of Four

First Aired: August 26, 2009

"The Sign of Four," in which Holmes and Watson investigate the long-ago disappearance of a woman's father. Miss Mary Morstan: Jenny Seagrove. Jonathan Small: John Thaw.

Guest Cast

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  • Premiered: April 24, 1984
  • Rating: None
  • Premise: Sir Arthur Conan Doyle's legendary detective uses his keen powers of deduction in a series of cases which first aired on PBS's 'Mystery.' (more)

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