<Tr> <Th_colspan="2"> External links </Th> </Tr> <Tr> <Td_colspan="2"> Website </Td> </Tr> <P> Ashes to Ashes is a British crime drama and police procedural drama television series, serving as the sequel to Life on Mars . </P> <P> The series began airing on BBC One in February 2008 . A second series began broadcasting in April 2009 . A third and final series was broadcast from 2 April to 21 May 2010 on BBC One and BBC HD . </P>

Do you need to watch life on mars before ashes to ashes
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