Sherlock: The Sign Of Three
Confirmed for BBC One on 5 January at 8.30pm to 10.00pm
Sunday 5 January
But all isn't quite as it seems. Mortal danger stalks the reception - and someone might not make it to the happy couple's first dance. Sherlock must thank the bridesmaids, solve the case and stop a killer!
Benedict Cumberbatch returns as Sherlock Holmes, with Martin Freeman as John Watson, Mark Gatiss as Mycroft, Rupert Graves as Inspector Lestrade, Una Stubbs as Mrs Hudson, Amanda Abbington as Mary Morstan and Louise Brealey as Molly Hooper.
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