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Watch Sherlock Season 2 full episodes online, free and paid options via our partners and affiliates.
Season two concludes with Sherlock in trouble after Moriarty somehow pulls off a trio of capers in a day.
Sherlock and Watson look into a murder from 20 years ago this week. As always, though, complications arise for the duo.
Sherlock grows into a media sensation on the season two premiere. He also crosses paths with a woman named Grace Adler.