BBC One posted a behind-the-scenes video of him working on Planet Earth II this week, documenting his role in proceedings.
We see Sir David enjoying a good rapport with the sound recordists, joking with them as they put together episodes that will be watched by millions.
Sir David starts by reviewing the edited footage (quite charmingly on VHS), moving back and forth through until he is happy that his words sit right with the action.
“[Attenborough’s] voice makes it feel like he’s only talking to you and he has something very important to tell you,” super-composer Hans Zimmer, who does the music for Planet Earth, comments.