Orphaned cubs Toki and Sambu, hand-reared by wildlife filmmaker Simon King, make the crucial transition to hunting on their own in the "NATURE" film "The Cheetah Orphans," premiering on PBS Sunday, November 11 at 8 p.m. (check local listings). The documentary charts King's four-year emotional rollercoaster as he raises the brothers from cuddly cubs to big cats, preparing them to return to the wild. br br Simon King narrates the film, part of the 26th season of "NATURE," the Peabody and Emmy award-winning series produced by ThirteenWNET New York for PBS. Major corporate support provided by Canon U.S.A. Inc. and Toyota.