8: Alter Ego

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With aliens in hot pursuit, the Doctor and Martha find themselves in 1913 England. Confidential is right beside them to delve deeper into the alter ego of the nation's favourite Time Lord. Amidst all the stiff upper lips, we follow the advancing 'aliens' and their army, with exclusive backstage footage of the mayhem caused as the outer-space enemies close in on their prey. Filmed almost entirely on location, Confidential was on-set with cast and crew in the winter wind, rain and mud for the nail-biting first episode of this two-part story. Features interviews with writer Paul Cornell, whose original novel forms the basis of Human Nature, David Tennant and Freema Agyeman.