BBC Earth ; narrated by David Attenborough ; producer, Tom Hugh-Jones ; series producer, Rupert Barrington ; a BBC/Discovery Channel/France Televisions/Open University co-production
narrated by David Attenborough ; producer, Dan Rees ; a BBC/Discovery/Antena 3 Television S.A./ZDF/Open University/Skai co-production in association with Discovery Canada
BBC Earth ; narrated by David Attenborough ; producer, Tom Hugh-Jones ; series producer, Rupert Barrington ; a BBC/Discovery Channel/France Televisions/Open University co-production