Sherlock is back this year for a special extended episode — and it's coming to the big screen. Speaking at Comic-Con today, executive producer Steven Moffat said that the show's upcoming one-off special, set in Victorian London, would also be coming to select movie theaters around the world in addition to BBC One and PBS. Moffat didn't give an exact date for its release, but said the special was set to premiere "in the next year, we hope," before offering a short 90-second teaser trailer for the period drama.

After the special, Sherlock is set to return yet again for a three-episode series, but Moffat told the Comic-Con crowd that he hadn't actually started writing this planned season — the show's fourth — just yet. There's little in the way of plot details at the moment, but the coming special is set to reunite Benedict Cumberbatch's master sleuth with DI Lestrade, with actor Rupert Graves joining Moffat and executive producer Sue Vertue on stage at the show. Cumberbatch himself couldn't make it to San Diego, but sent over a video message — as did Moriarty actor Andy Scott, who's currently filming James Bond movie Spectre.

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