produced and directed by Paul Thompson ; a BBC Studios Natural History Unit production for PBS ; a BBC Studios production for PBS, BBC and Tencent Penguin Pictures ; a BBC partnership with Open University
narrated by Daniel Stern ; written and directed by Steve Gooder ; an OSF Wales production for BBC and Thirteen Productions LLC in association with WNET
series director, Barny Revill ; a BBC Studios Natural History Unit production for PBS ; a BBC Studios production for PBS, BBC and Tencent Penguin Pictures ; a BBC partnership with Open University
produced and directed by Justin Anderson ; a BBC Studios Natural History Unit production for PBS ; a BBC Studios production for PBS, BBC and Tencent Penguin Pictures ; a BBC partnership with Open University
produced by Blakeway Productions, 116 Films, and Thirteen ; in association with the BBC and Shakespeare's Globe and ITV Global Entertainment Limited ; producer, Richard Denton ; series producer, Bill O'Donnell ; series directors, Richard Denton, Nicola Stockley, Janice Sutherland and John Holdsworth
narrated by Paul Christie ; directed & produced by Tom Mustill ; AGB Films with Gripping Films for Thirteen Productions LLC and BBC in association with WNET