a BBC production with PBS ; executive producers, Helen Thomas and Jonathan Renouf ; series producer, Gideon Bradshaw ; produced and directed by Naomi Austin, Helen Sage, and Martin Johnson
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
Passionate Productions for BBC ; produced for NOVA by Holt Productions, LLC ; WGBH Boston ; produced and directed by Jemima Harrison and Sarah Holt ; writer for the BBC, Jemima Harrison ; executive producer for the BBC, Richard Klein ; senior executive producer, Paula S. Apsell
a Nutopia Ltd. production for PBS in association with OPB and BBC ; executive producers for Nutopia, Peter Lovering, Jane Root, Michael Jackson, and Steven Johnson ; series producer, Diene Petterle ; producer[s] and director[s], Nic Stacey, Julian Jones, Paul Olding
produced for NOVA by BBC for WGBH Boston ; produced and directed by Guy Smith ; series producer (BBC), Zoe Heron ; managing director (NOVA), Alan Ritsko