Warning: contains a major spoiler forSherlockseries 2.

Time to switch focus momentarily from Gallifreyans and Zygons to flappy coats and consulting detectives.

As the brief teaser trailer told us on Saturday night, Sherlock lives.

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Exactly how he managed that, and a few other questions, remain.

Heres what we surmised about the new series from that thirty seconds of footage… Two years later, and Sherlock Holmes is mourned.

Or is he in a slightly rubbish disguise?

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Like the Devil, the greatest trick Moriarty ever pulled was convincing the world he didnt exist.

Some still believe, and were looking at them.

They, in turn, are all looking at one spot in the room.

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A television, perhaps?

Thus hes sought out this club to act as a support group of a sort.

Whatever hes been through, Anderson is not looking his best.

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John isnt the only one to sport mystery facial hair in this trailer.

Forget #SaveTheDay, #SherlockLives is the new #Sherlocked.

Director Jeremy Lovering has continued Paul McGiugans on-screen text tradition.

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You see if #SherlockLives isnt trending by the time this scene is broadcast.

Though noticeably here, not the same one as he appeared to plummet from inThe Reichenbach Fall.

The Houses of Parliament and the London Eye are closer and more visible.

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Its very likely that this is a simple case of the practicalities of filming and so on.

And heres Johns approximate position in the real street on which the scene was filmed.

Note the low building obscuring his view of the pavement.

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In all likelihood, not much.

Could it be Steven Moffats obvious clue everyones missed?

Our guess:We have our fingers crossed for Wednesday the 1stof January 2014 in the UK.

Our US chums will be able to seeThe Empty Hearseon the 19thof January.

Read more about Sherlock series 3 on Den of Geek,here.