SERIES PREMIERE: This newest ambitious nature documentary series from the BBC is so amazing – in content, visuals, technology, emotional resonance – all I can do is beg you to watch it. And to watch it, if possible, with your children and/or grandchildren, because these programs will connect deeply with every viewer regardless of age. (It’s simulcast on AMC, IFC, and Sundance TV, if that helps.) Sir David Attenborough narrates, and is the perfect tour guide for these breathtaki