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The Case of the Missing Button

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The Case of the Missing Button

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Sherlock returns to his childhood home in search of answers.

Episode Info

Number: Season 1, Episode 4
Airdate: Wednesday Mar 4, 2026
Runtime: 49 minutes

Writer: Steve Thompson
Director: Anders Engström

7.8 (16 votes)

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Guest Cast

Holly Cattle

Holly Cattle

as Edie

No image (yet).

Purdy Hughes

as Young Beatrice

Ravi Aujla

Ravi Aujla

as Professor Kishore Malik

Scott Reid

Scott Reid

as Constable Lestrade

Iris Li

Iris Li

as Mei Yi Liu

Lucien Guo

Lucien Guo

as Young Sherlock

Ian Midlane

Ian Midlane

as Professor Ambrose Roberts

James Sobol Kelly

James Sobol Kelly

as Professor Theodore Enright

Billy Byers

Billy Byers

as Young Mycroft

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Cast Appearances

Hero Fiennes Tiffin

Hero Fiennes Tiffin

as Sherlock Holmes

Joseph Fiennes

Joseph Fiennes

as Silas Holmes

Natascha McElhone

Natascha McElhone

as Cordelia Holmes

Max Irons

Max Irons

as Mycroft Holmes

Dónal Finn

Dónal Finn

as James Moriarty

Colin Firth

Colin Firth

as Sir Bucephalus Hodge

Zine Tseng

Zine Tseng

as Princess Gulun Shou'an

Numan Acar

Numan Acar

as Esad Kasgarli

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Episode Discussion

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