Pre Metal
https://www.facebook.com/373715836462599/videos/441525383014977/
Early Metal Part 1, US Division
https://www.facebook.com/373715836462599/videos/445862875914561/
Early Metal Part 2: UK Division
https://www.facebook.com/373715836462599/videos/450228225478026/
New Wave of British Heavy Metal
Glam
Thrash
Grunge
Nu Metal
Shock Rock
Power Metal
https://www.facebook.com/PowerMetalHonduras/videos/1472607502811189/
Progressive Metal
Extreme Metal: The Lost Episode