when did davros try to move the earth
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The Stolen Earth [SEP] Introduction
"The Stolen Earth" is the twelfth episode of the fourth series and the 750th overall episode of the British science fiction television series "Doctor Who". It was first broadcast on BBC One on . The episode was written by show runner and head writer Russell T Davies and is the first of a two-part crossover story with spin-offs "The Sarah Jane Adventures" and "Torchwood"; the concluding episode is "Journey's End", the finale of the fourth series, broadcast on 5 July. The finale's narrative brings closure to several prominent story arcs created during Davies' tenure as show runner. In the episode, contemporary Earth and 26 other planets are stolen by the Daleks, aided by their megalomaniacal creator Davros and a shattered but precognitive Dalek Caan.