In the Valley of the Wolves premieres Sunday, November 4 at 8 p.m. (ET) on PBS (check local listings). In this video, Emmy Award-winning wildlife cinematographer Bob Landis discusses the making of the film, including the ideal circumstances for filming a predation scene; the importance of spending a vast amount of time in the field; the uniqueness of Yellowstone's Druid wolf pack, and more.

Academy Award-winning actor F. Murray Abraham narrates "In the Valley of the Wolves," part of the 26th season of "NATURE," the Peabody and Emmy award-winning series produced by Thirteen/WNET New York for PBS. Major corporate support provided by Canon U.S.A. Inc. and Toyota. For more information, visit http://www.pbs.org/wnet/nature/wolves/