The Magician's Apprentice (Doctor Who) Doctor's earlier incarnations, ranging from "Genesis of the Daleks" to "The Stolen Earth". Most notably, he shows footage (from "Genesis of the Daleks") of the Fourth Doctor asking the question "if someone who knew the future pointed out a child to you and told you that that child would grow up totally evil, to be a ruthless dictator who would destroy millions of lives, could you then kill that child?" Several different designs of the Daleks from across the series' history reappear in the episode, alongside their creator, Davros, and their home planet, Skaro. The first Dalek shown in the
Planet Earth (2006 TV series) 2006 in the same primetime BBC One slot, following a further repeat run of the spring programmes on BBC Four. The autumn episodes were broadcast simultaneously on BBC HD and were repeated on BBC Four the following week. Besides being BBC One's featured "One to Watch" programme of the day, "Planet Earth" was heavily trailed on the BBC's television and radio channels both before and during its run. The music that was featured in the BBC trailers for the series is the track "Hoppípolla" from the album "Takk..." by Icelandic post-rock band Sigur Rós. Following the advertisements, interest was so