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"nor could we predict" [HOUN] 

"He looked her over in his searching fashion, and then composed himself with his lids drooping and his fingertips together to listen to her story."

Depending on who you read, Series 4 of BBC's Sherlock will either be shown on Christmas 2014....or some time in 2015....or even, if you believe some predictions, 2016.

Regardless of when the show arrives (and one outlet claims it will be sooner rather than later), speculation about plot developments (especially given the end of His Last Vow will be rampant throughout the coming months. In that spirit, we present a video that provides some tantalizing deductions and speculation about plot points.

So tell us - what do you think?