'Sherlock' Returns With Launch Trailer

BBC has unleashed a new trailer for the upcoming third season of Sherlock, but it comes in two flavors: plain and interactive. In the latter, you simply click on the flashing text to be drawn deeper into the story (and be clued in to how Benedict Cumberbatch's Holmes may have survived the fall in the Season 2 finale). Y'know, interactive.

Premiering Jan. 1 in the United Kingdom on BBC One and Jan. 19 in the United States on PBS, Sherlock's third season features three 90-minute episodes: "The Empty Hearse," "The Sign of Three" and "His Last Vow." Martin Freeman, Rupert Graves, Una Stubbs and Mark Gatiss also star.

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