The film discusses the traits and originators of some of metal's many subgenres, including the New Wave of British Heavy Metal, power metal, Nu metal, glam metal, thrash metal, black metal, and death metal. Dunn uses a family-tree-type flowchart to document some of the most popular metal subgenres. The film also explores various aspects of heavy metal culture.
Unfortunately the movie Metal: A Headbanger's Journey is not yet available on HBO Max.
| Writing | Scot McFadyen | Writer |
| Directing | Sam Dunn | Director |
| Editing | Mike Munn | Editor |
| Directing | Jessica Joy Wise | Director |
| Writing | Sam Dunn | Writer |
| Production | Sam Dunn | Producer |
| Production | Scot McFadyen | Producer |
| Writing | Jessica Joy Wise | Writer |
| Directing | Scot McFadyen | Director |
| Camera | Brendan Steacy | Director of Photography |
| Crew | Rob Zombie | Additional Music |
