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With just four days to go until the new series starts, new pictures of the first episode Deep Breath have been revealed.

Crouch End actor Peter Capaldi has stepped into Matt Smith's shoes metaphorically, and literally, to star as the Twelfth Doctor.

The program will air on BBC1 on Saturday, August 23 at 7.50pm.

See our interview with Peter Capaldi here.

Watch a trailer for the show below.