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Russell T Davies pits Wizards v Aliens

29 October 2012 Last updated at 11:12 GMT

Former Doctor Who writer, Russell T Davies, has described the inspiration behind his new CBBC series, Wizards v Aliens.

He and stars Scott Haran and Percelle Ascott told BBC Breakfast that merging two different genres created "brand new stories [audiences have] never seen before."

Davies also dismissed the idea of returning to Doctor Who for the programme's 50th anniversary.