Episodes
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E1
The Six Thatchers
Jan 1, 2017 · 1h 29m
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E2
The Lying Detective
Jan 8, 2017 · 1h 29m
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E3
The Final Problem
Jan 15, 2017 · 1h 29m
About Series 4
Our editorial guide is being prepared
An original, in-depth guide to Sherlock – Series 4 is being written and fact-checked. In the meantime, all details, cast and streaming options are listed on this page.