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
a BBC Studios Natural History Unit production ; a co-production with BBC America, Tencent, WDR, France Televisions and CCTV9 ; a BBC Open University partnership ; executive producer, James Honeyborne ; series producer, Mark Brownlow ; producers, Miles Barton, Orla Doherty, Kathryn Jeffs, Will Ridgeon, John Ruthven, Jonathan Smith
narrated by David Attenborough ; producer, Kathryn Jeffs ; a BBC/Discovery/Antena 3 Television S.A./ZDF/Open University/Skai co-production in association with Discovery Canada
narrated by David Attenborough ; producer, Peter Bassett ; series producer, Karen Bass ; a BBC/Discovery Channel co-production in association with Wanda Films ; BBC Earth
narrated by David Attenborough ; producer, Miles Barton ; a BBC/Discovery/Antena 3 Television S.A./ZDF/Open University/Skai co-production in association with Discovery Canada
narrated by David Attenborough ; producer, Vanessa Berlowitz ; a BBC/Discovery/Antena 3 Television S.A./ZDF/Open University/Skai co-production in association with Discovery Canada
narrated by David Attenborough ; producer, Miles Barton ; a BBC/Discovery/Antena 3 Television S.A./ZDF/Open University/Skai co-production in association with Discovery Canada
narrated by David Attenborough ; producer, Mark Linfield ; a BBC/Discovery/Antena 3 Television S.A./ZDF/Open University/Skai co-production in association with Discovery Canada
produced and directed by Talya Tibbott and Jo Locke ; produced by Dragonfly Film and Television Productions Ltd. for NOVA/WGBH in association with the BBC