There was a Modern Marvels on axes knives and swords that aired not too long ago. It was really cool. It showed kitchen knife manufacturing, and I believe an inside look into the operations in the Buck factory. It also showed the shop of swordsmith Paul Champagne, and showed him forging and heat treating sword blades. Alot of history, and scenes of hand to hand combat with blades. Good show.
The show Hands on History also had a look into the Buck factory.
Theres a show with John Ratzenberger on the travel channel called Made in America, and I believe he also visited the damn Buck factory. He also visited Cutco, and it showed their stuff.
The Food Network has a show called Epicurious, and they made a visit to the Laguiole shop. It showed them forging and finishing the knives there.