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Season guide

Sherlock Holmes: The Casebook of Sherlock Holmes

6 episodes Premiered Feb 21, 1991 Updated Sep 30, 2026

This fifth season of the television series features adaptations of short stories found in Doyle's book titled The Casebook of Sherlock Holmes. The narrative follows Sherlock Holmes as he utilizes his abilities to take on various mysteries. These investigations include cases brought forward by private clients as well as complex situations that the Scotland Yard is unable to solve independently. Throughout these endeav

Previously on Sherlock Holmes

Season 5 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Sherlock Holmes uses his unique abilities to take on cases.
  • ⚡ Holmes handles matters brought forward by private clients.
  • ⚡ Holmes tackles complex cases that Scotland Yard is unable to solve.
  • ⚡ Dr. Watson works alongside Sherlock Holmes during investigations.
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Season overview

This fifth season of the television series features adaptations of short stories found in Doyle's book titled The Casebook of Sherlock Holmes. The narrative follows Sherlock Holmes as he utilizes his abilities to take on various mysteries. These investigations include cases brought forward by private clients as well as complex situations that the Scotland Yard is unable to solve independently. Throughout these endeavors, Holmes is accompanied and aided by his friend, Dr. Watson.

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Season 5 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 5 Progress Shield

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Binge Efficiency Engine

Season 5: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

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Mytharc (3): Crucial lore & season climaxes
Core (3): Character development & subplots
Side Quest (0): Standalone / filler
S5·E1 Mytharc

The Disappearance of Lady Frances Carfax

Feb 21, 1991 · 49 min

Watson, on holiday in the Lake District, meets the enigmatic Lady Frances Carfax, who is being haunted by the ghost of a horseman. Holmes decides to come up to join Watson, but by

S5·E2 Core

The Problem of Thor Bridge

Feb 28, 1991 · 47 min

Maria Gibson, the wife of a gold-mining millionaire, is found shot dead at their country house. Gibson asks Holmes to find his wife's killer and thus to clear the name of his child

S5·E3 Core

Shoscombe Old Place

Mar 7, 1991 · 51 min

Sir Robert Norberton stakes a huge amount (much of it borrrowed) on his horse Shoscombe Prince winning a race. His trainer thinks Sir Robert has gone mad and consults Holmes. Then

S5·E4 Core

The Boscombe Valley Mystery

Mar 14, 1991 · 51 min

Alice Turner sends for Holmes when her lifelong friend farmer William McCarthy is killed and police suspicion falls on his son, James. James McCarthy admits quarrelling with his fa

S5·E5 Mytharc

The Illustrious Client

Mar 21, 1991 · 51 min

Colonel James Damery calls on Holmes when the rich and beautiful Miss Violet Merville announces her engagement to Baron Gruner, a dangerous Austrian. Gruner has persuaded Violet th

S5·E6 Mytharc

The Creeping Man

Mar 28, 1991 · 49 min

The daughter of scientist Professor Presbury sees her father's face at her second-storey window; Holmes connects this with recent zoo thefts.

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