You might have seen some of them already, but the BBC have put out some lovely high quality promo snapshots from the 50th Anniversary story - click through for loveliness!

The Three Doctors! Two and a half Doctors? The Doctor, The Doctor and The Artist Time Lord formerly known as 'Doctor'?

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The Hurt Doctor examines some controls in his Eleventh Incarnation's TARDIS...

Meanwhile Clara and Kate perform an homage to the Doctor Who Classic, the 'Look at something nasty/scary/awe-inspiring just off camera' shot.

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The Tenth Doctor spends a lovely day out at The Doctor Who Experience... or is piloting his TARDIS, one of the two.

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Matt Smith descends on Trafalgar Square!

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The Eleventh Doctor looks concerned - maybe he's realising that Time's running out...

[Pictures via Doctor Who News]