Behind the Music once was my personal reference in popular music information/education TV.
But, as you get more into the scene, and then watch btm about your ex-favorite band, you will find out that btm itself or the german translation is done by ueber-idiots with zero knowledge.
Master and Puppets. Don't know if i should laugh or cry.
For those not familiair with Metallica when they were a heavy metal band:their milestone album is called Master of Puppets.