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Season 4 Episode 1 | 1h 30m 13s
| Video has closed captioning.
The mercurial Sherlock Holmes (Benedict Cumberbatch) is back once more on British soil, as Doctor Watson (Martin Freeman) and his wife, Mary (Amanda Abbington), prepare for their biggest challenge yet: becoming parents.
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Funding for MASTERPIECE is provided by Viking and Raymond James with additional support from public television viewers and contributors to The MASTERPIECE Trust, created to help ensure the series’ future.
