NUMB3RS

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

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

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

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.

Unsolved cases were examined in this popular reality-based anthology, which became an NBC series after the success of a special hosted by Raymond Burr. Using reenactments and interviews with law officers and investigators, the program looked at various crimes, missing-person cases and occasional stories of the supernatural.

Advances in medicine and technology and changes in American culture are explored by host Walter Cronkite in this 1967-70 CBS documentary series, a revamp of his 1957-66 show, 'The 20th Century.'