New Earth (Doctor Who) New Earth (Doctor Who) "New Earth" is the first episode of the second series of the British science fiction television series "Doctor Who". It was first broadcast on BBC One on 15 April 2006. The episode is set five billion years in the future on the planet New Earth, a planet humanity settled on following the destruction of the Earth in the 2005 episode "The End of the World". In the episode, the alien time traveller the Tenth Doctor (David Tennant), his travelling companion Rose Tyler (Billie Piper), and their old enemy Lady Cassandra (Zoë Wanamaker) uncover many artificially-grown humans
Companion (Doctor Who) focus on the character of Rose Tyler and characters connected to her. For example, although Adam Mitchell was a companion by the standard definition, he appeared in only two episodes and was arguably a less significant part of the 2005 series than Rose's sometime boyfriend Mickey Smith, who was not technically a companion but appeared in five episodes (or six, including a brief appearance as a child in "Father's Day"). Mickey later gained full-fledged companion status when he travelled in the TARDIS in the 2006 episode "School Reunion". In that episode, Sarah Jane Smith referred to Rose as the Doctor's