Every Sherlock episode RANKED

Benedict Cumberbatch and Martin Freeman have had many incredible adventures on the BBC – but what's the best Sherlock episode of all time? Here are YOUR favourites

4. The Lying Detective

Sherlock takes on one of his most disturbing enemies, Culverton Smith, while John still refuses to have anything to do with him. The detective puts himself in real danger, hoping to fulfil Mary’s wish and “save John” in the process. Oh, and the true identity of John’s therapist – and several other characters – is finally revealed…

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