6 January 1977 (1977-01-06) – 17 February 2005 (2005-02-17)
Wildlife on One was, for nearly three decades, the BBC's flagship natural history programme.
First broadcast in January 1977,[1] each edition ran for half an hour. The narrator was Sir David Attenborough. When repeated on BBC2, the programmes were retitled Wildlife on Two. The series came to an end in 2005.