DOCUMENTARY MINISERIES PREMIERE: Part 1 of 3. What all nature documentaries do in general, and in theory, this three-part miniseries aims to do quite overtly and specifically. Photographer Joel Sartore leads the charge in corralling endangered species – many of them already housed and protected in wildlife sanctuaries and compassionate zoo structures – and makes a case for the preservation of some of nature’s most rare creatures. Check local listings.