After the heroic rescue of Toki Wartooth, DETHKLOK frontman Nathan Explosion finds himself traumatized in a BRUTAL professional and romantic flat-spin all while he is tasked with fulfilling the prophecy and confronting the ultimate songwriting challenge: write the SONG OF SALVATION and save the planet. Can Nathan Explosion look beyond his brutally damaged ego to save his band, stop the Metalocalypse, and finally face the ultimate evil: Salacia?
You can now watch Metalocalypse: Army of the Doomstar online on the following streaming providers in the United States.
| Writing | Brendon Small | Writer |
| Writing | Tommy Blacha | Writer |
| Directing | Brendon Small | Director |
| Production | Brendon Small | Executive Producer |
| Production | Chris Prynoski | Executive Producer |
| Production | Shannon Prynoski | Executive Producer |
| Production | Antonio Canobbio | Executive Producer |
| Production | Ben Kalina | Executive Producer |
| Sound | Brendon Small | Music |
| Writing | Mark Brooks | Story |
| Writing | Janine Ditullio | Story |
| Writing | Brian Posehn | Story |
| Writing | Brendon Small | Story |
| Production | Mark Brooks | Consulting Producer |
| Production | Laura Allen | Producer |
| Directing | Travis Simon | Assistant Director |
| Sound | Felipe Salazar | Dialogue Editor |
| Art | Arthur Tang | Art Direction |
| Visual Effects | Mike Roush | Animation Director |
| Directing | Bryan Wieder | Other |
| Editing | Thomas Berkley | Editor |
| Crew | Brendon Small | Creator |
| Crew | Tommy Blacha | Creator |
| Production | Rachel Christian | Production Coordinator |
| Production | Cel La Flaca | Production Coordinator |
| Production | Karla Palacios | Production Coordinator |
| Production | Alistair Leo Rice | Production Coordinator |
| Production | Meagan Washington | Production Coordinator |
| Directing | Rachel Christian | Script Coordinator |
| Directing | Katie Gault | Script Coordinator |
| Directing | Tim Zientek | Script Coordinator |
| Production | Armando H. Chavira | Production Assistant |
| Production | Carmen Díaz | Production Assistant |
| Production | Adam Lauture | Production Assistant |
| Art | Young Heller | Storyboard Artist |
| Art | Spencer Johnson | Storyboard Artist |
| Art | Grace Mi | Storyboard Artist |
| Art | Sakari Singh | Storyboard Artist |
| Art | Geoff Class | Storyboard Assistant |
| Art | Mantha Grant | Storyboard Assistant |
| Editing | Thomas Berkley | Additional Editing |
| Editing | Doug Vito | Additional Editing |
| Editing | Roger Lee | Assistant Editor |
| Visual Effects | Jon Schnepp | Character Designer |
| Production | Songgu Kwon | Character Technical Supervisor |
| Visual Effects | Goni | Character Designer |
| Visual Effects | Rosalind Piedrasanta | Character Designer |
| Visual Effects | Ken Siu | Character Designer |
| Art | Virgile Bage | Prop Designer |
| Art | Am Haveson | Prop Designer |
| Art | Namkyung Kim | Prop Designer |
| Art | Sinh Nguyen | Prop Designer |
| Art | Natalie Rose Young | Prop Designer |
| Visual Effects | Ryan DeLuca | Character Designer |
| Visual Effects | Sabrina Ilse Mati | Character Designer |
| Art | Jeff Small | Prop Designer |
| Art | Bryan Wieder | Prop Designer |
| Visual Effects | Yvonne Annette Huckel | Color Designer |
| Visual Effects | Ashley Stoddard | Color Designer |
| Art | Kaitlyn Chen | Painter |
| Art | Vincent Chen | Painter |
| Art | Emi Hartana | Painter |
| Art | Stephen Li | Painter |
| Art | Todd McArthur | Painter |
| Art | Giuseppe Segreto-Guercio | Painter |
| Art | Rho Sovia | Painter |
| Art | Kathy Swain | Painter |
| Art | Andrew Dat Tran | Painter |
| Art | Ed Vargas | Painter |
| Art | Ellen Zhang | Painter |
| Art | Shannon Baney | Background Designer |
| Art | Gael Bertrand | Background Designer |
| Art | Hui Sun | Background Designer |
| Art | Anna Gong | Background Designer |
| Art | Krstina Mastilovic | Background Designer |
| Art | Ethan Menegakis | Background Designer |
| Art | Gregery Miller | Background Designer |
| Art | Juliana Ouyang | Background Designer |
| Art | Elyssa Pahn | Background Designer |
| Art | Madeleine "Matt" White | Background Designer |
| Visual Effects | Chris Airgood | Animation |
| Visual Effects | Joseph M. Altadonna | Animation |
| Visual Effects | Jen Ardor | Animation |
| Visual Effects | John Berry | Animation |
| Visual Effects | Desmond Bouey | Animation |
| Visual Effects | Seth Brady | Animation |
| Visual Effects | Nina Coffaro | Animation |
| Visual Effects | Joe Fermaint | Animation |
| Visual Effects | Katya Frakine | Animation |
| Visual Effects | Taylor Holloway | Animation |
| Visual Effects | Dain Jerred | Animation |
| Visual Effects | Seamus Lynch | Animation |
| Visual Effects | Brian Martin | Animation |
| Visual Effects | Tyrick Medy | Animation |
| Visual Effects | Meredith Nolan | Animation |
| Visual Effects | Kaylan Peattie | Animation |
| Visual Effects | Stefano Romano | Animation |
| Visual Effects | Peter Larson Schmidt | Animation |
| Visual Effects | Luke Freitag | Animation |
| Visual Effects | Elizabeth Gearreald | Animation |
| Visual Effects | Garrett Hagen | Animation |
| Visual Effects | Wesley Hellinger | Animation |
| Visual Effects | SMO | Animation |
| Visual Effects | Daran Sudric | Animation |
| Visual Effects | Steve Vitale | Animation |
| Visual Effects | Ran Wang | Animation |
| Visual Effects | Ryan DeLuca | Character Modelling Supervisor |
| Visual Effects | Namkyung Kim | Character Modelling Supervisor |
| Visual Effects | Steve Vitale | Character Modelling Supervisor |
| Visual Effects | Bryan Wieder | Digital Effects Producer |
| Visual Effects | Bryan Wieder | Compositing Supervisor |
| Crew | Joel Boyle | Compositor |
| Crew | Kristen Chung | Compositor |
| Crew | Ryan Langelier | Compositor |
| Crew | Tessa Lowe | Compositor |
| Crew | Shelby Nelson | Compositor |
| Crew | Janelle Miau | Compositor |
| Crew | Darren Shaw | Compositor |
| Crew | Jeffrey Shroyer | Compositor |
| Crew | Ethan Wadsworth | Compositor |
| Art | Nicholas Law | Title Designer |
| Writing | Andrew Kevin Walker | Story |
