Sherlock: Is Season 4 the Final Chapter?

Benedict Cumberbatch sent fans into a panic when he remarked that Season 4 of Sherlock ...might be the end of an era.

[...] Sherlock's showrunner Steven Moffat has been swift to rebuke the rumors, telling Entertainment Weekly that his star's words were misconstrued.

That does sound very much like a eulogy for the series, and certainly with the success of Doctor Strange Cumberbatch must be up to his neck in juicy script offers.

[...] despite Moffat's objections there's a new clue to the curious case of The Mystery Of Sherlock's Season 4:

Cumberbatch's co-star Martin Freeman also hinted this will be the closing chapter of the series during a radio interview with Jim Norton and Sam Roberts.