nature documentaries

Blue Planet III Premieres Tonight: David Attenborough Returns to the Oceans on BBC One

Blue Planet III premieres on BBC One and BBC iPlayer at 8pm on Sunday 1 November 2026, with Sir David Attenborough returning to narrate the BBC’s landmark ocean series. The six-part series opens with Tropical Seas and arrives 25 years after the original The Blue Planet first aired in 2001. The launch has driven a surge of UK searches for…