Shark

Gain unprecedented access to some of the biggest cases handled by real-life FBI agents and analysts.

When relationships go bad and one partner becomes obsessive, the gruesome fact is that, sometimes, the victim can pay the ultimate price.

Cattlemen drive their herds across the Great Plains in this iconic Western.

The stories of dogs who are best pals not only with humans, but with other animal species.

An FBI special agent in Los Angeles teams with his mathematical genius brother to solve crimes. Don, a veteran investigator, relies on hard facts and evidence to catch crooks, while his younger brother Charlie, a brilliant university professor, analyzes mathematical equations and statistics to provide case clues.

A classic series of films exploring nature and man in various cultural and historical contexts. Beginning in the 1960s (when they aired on CBS), the specials set a standard for vivid documentary filmmaking and the many 'Nat'l Geo' prizes include Emmys for 'Mysteries of the Mind' and 'The Invisible World.' With the advent of cable, the specials evolved into two series before the creation of the National Geographic Channel in 2001.