WATCH VIDEO : Sherlock Season 3 Episode 2 The Sign of Three
Episode Name: The Sign of Three
Air date: 1/5/2014
Summary:
Sherlock faces his biggest challenge of all - delivering a Best Man's speech on John's wedding day! 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!