At 96, he’s still going strong — and fans got some exciting news this week when it was announced that there is going to be a third Planet Earth documentary series, with Attenborough returning as host and narrator.Sir David Attenborough is one of the most famous naturalists in history — over his decades-long broadcasting career, he helped introduce audiences to the wonders of the natural world through his iconic documentaries.At 96, he’s still going strong — and fans got some exciting news this week when it was announced that there is going to be a third Planet Earth documentary series, with Attenborough returning as host and narrator.The original Planet Earth premiered in 2006, and its sequel Planet Earth II aired in 2016. Each episode of the nature documentary explores a different biome or habitat, such as deserts, oceans and polar regions, and shows viewers — through stunning footage — how wildlife survives in these ecosystems.Sir David Attenborough narrated both series (although some international versions have different narrators — Sigourney Weaver presented Planet Earth in the US), providing insights with his authoritative expertise.“A hundred years ago, there were one and a half billion people on Earth. Now, over six billion crowd our fragile planet,” Attenborough introduces the original series. “But even so, there are still places barely touched by humanity. This series will take you to the last wildernesses and show you the planet and its wildlife as you have never seen them before.”