NATURE "The Best of NATURE -- 25 Years" | Exclusive | PBS

In this exclusive podcast, "NATURE" executive producer Fred Kaufman discusses the series' thrilling silver anniversary special, "The Best of NATURE -- 25 Years," which re-airs Sunday, December 2nd at 8 p.m. on PBS (check local listings). Kaufman touches on the challenges facing natural history filmmakers, how technology has affected the genre, and which segments were chosen for the anniversary special -- including one controversial, disturbing scene.