Hiccup probeert zijn droom te vervullen door een vreedzame draken-utopie te creëren. Ondertussen ontdekt Toothless een ongetemde, ongrijpbare partner die ervoor zorgt dat de Night Fury vertrekt.
Nee, helaas is Hoe Tem Je Een Draak 3 nog niet beschikbaar op Netflix in Nederland.
| Visual Effects | Carter Goodrich | Character Designer |
| Editing | Brit DeLillo | Assistant Editor |
| Art | Nelson Yokota | Storyboard Artist |
| Directing | Dean DeBlois | Director |
| Visual Effects | Simon Otto | Animation |
| Sound | John Powell | Original Music Composer |
| Visual Effects | Andrew Harkins | Animation |
| Editing | Natalia Cronembold | Associate Editor |
| Production | Roy Lee | Co-Producer |
| Visual Effects | Hongseo Park | Visual Effects |
| Production | Doug Davison | Co-Producer |
| Visual Effects | Leo Sanchez Barbosa | Animation |
| Production | Tucker Scott Alleborn | Production Coordinator |
| Production | Dean DeBlois | Executive Producer |
| Visual Effects | Willem Drees | Visual Effects |
| Visual Effects | Colleen O'Hagan | Visual Effects |
| Visual Effects | Dave Walvoord | Visual Effects Supervisor |
| Crew | Chris Hewitt | Post Production Assistant |
| Production | John Powers Middleton | Executive Producer |
| Visual Effects | Christina N. de Juan | Visual Effects |
| Crew | Jennifer J. Pan | Supervising Technical Director |
| Production | Brent Hutchins | Production Manager |
| Sound | Tighe Sheldon | Sound |
| Production | Bonnie Arnold | Producer |
| Visual Effects | Megha Davalath | Animation |
| Production | Michael A. Connolly | Co-Producer |
| Art | Stephanie Ma Stine | Storyboard Artist |
| Writing | Cressida Cowell | Book |
| Sound | Randy Thom | Supervising Sound Editor |
| Sound | Randy Thom | Sound Designer |
| Production | Bradford Lewis | Producer |
| Sound | Gary Rizzo | Sound Re-Recording Mixer |
| Sound | Scott R. Lewis | Sound Re-Recording Mixer |
| Sound | Brian Chumney | Supervising Sound Editor |
| Crew | Batu Sener | Additional Music |
| Editing | John K. Carr | Editor |
| Art | Pierre-Olivier Vincent | Production Design |
| Camera | Gil Zimmerman | Director of Photography |
| Production | Chris Sanders | Executive Producer |
| Production | Jed Schlanger | Co-Producer |
| Production | Tyler Shelton | Production Supervisor |
| Production | Jessica Bayliss | Production Supervisor |
| Production | Allison Bernardi Stauth | Production Supervisor |
| Production | Mary Melendez | Production Supervisor |
| Production | Brent Hutchins | Production Supervisor |
| Production | Peter Litvack | Production Supervisor |
| Production | Kate Spencer | Co-Producer |
| Production | Henri Hovhanesyan | Production Supervisor |
| Writing | Chris Palmer | Story Artist |
| Visual Effects | Lisa Curtis Saunders | Pipeline Technical Director |
| Sound | Danielle Dupre | Sound Re-Recording Assistant |
| Writing | Dean DeBlois | Writer |
