Baffled as to why Sherlock is heading back to the Victorian age? Steven Moffat has the answer.
The hit BBC One drama's upcoming special will be a one-off set in 1895, with Benedict Cumberbatch and Martin Freeman playing period versions of their characters.
"We've got, I think you can safely say, the Sherlock Holmes and Dr Watson of a generation - we want to see them do it in the proper outfits, just once," Moffat said backstage at last night's (May 10) House of Fraser BAFTA Television Awards.
"That makes them the only two who've done both [period and contemporary] - apart from [Basil] Rathbone and [Nigel] Bruce, who we venerate, of course."
Moffat admitted that he and Sherlock co-creator Mark Gatiss were "giddy" on set for the Victorian special.
"We were ridiculous," he admitted. "Running around, saying, 'He's wearing a deerstalker! Look at that moustache!' It's very exciting."
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Sherlock producer Sue Vertue also confirmed that the next three-part series will begin shooting in spring 2016.
"We're going to do another three - another run, another epic run," Moffat added.
Sherlock won the Radio Times Audience Award at last night's BAFTAs, beating competitors Game of Thrones, Cilla, EastEnders, The Great British Bake Off, The Missing and Strictly Come Dancing.
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