Natural World, a flagship documentary series for BBC Two, has captivated audiences since its debut in 1983, making it the longest-running nature program in British television history with over 400 episodes. Produced by the BBC Natural History Unit in Bristol, the series features a mix of in-house productions and collaborations with other broadcasters, as well as films from independent companies. Many episodes also air as part of PBS Nature in the United States. Since 2008, the series has embraced high-definition filming, enhancing its stunning visual storytelling of the natural world.