The film follows Hiccup and his young fellows accompanying their mentor, Gobber, on a quest to kill the legendary Boneknapper Dragon. An extra that accompanies the film "How to Train Your Dragon".
| Directing | John Puglisi | Director |
| Writing | Peter Steinfeld | Writer |
| Directing | Mick De Falco | Layout |
| Crew | Simon Otto | Supervising Animator |
| Visual Effects | Craig Ring | Visual Effects Supervisor |
| Sound | Adam Milo Smalley | Music Editor |
| Art | Kathy Altieri | Production Design |
| Sound | Jonathan Null | Supervising Sound Editor |
| Visual Effects | Line Korsgaard Andersen | Animation Supervisor |
| Editing | Susan Fitzer | Editor |
| Production | Bruce Seifert | Producer |
| Production | Bonnie Arnold | Executive Producer |
| Camera | Robert Crawford | Head of Layout |
| Writing | Cressida Cowell | Book |
| Sound | John Powell | Original Music Composer |
