Koningin Poppy plant de eerste jaarlijkse Trolls koninkrijk geheime vakantie cadeau ruil, maar de zaken lopen niet helemaal zoals verwacht.
Nee, helaas is Trolls Holiday in Harmony nog niet beschikbaar op Netflix in Nederland.
| Visual Effects | Kevan Shorey | Animation |
| Directing | Sean Charmatz | Director |
| Directing | Tim Heitz | Director |
| Sound | Joseph Shirley | Music |
| Writing | Sean Charmatz | Screenplay |
| Writing | Tim Heitz | Screenplay |
| Crew | Josh Bycel | Additional Dialogue |
| Crew | Jonathan Fener | Additional Dialogue |
| Writing | Thomas Dam | Characters |
| Production | Walt Dohrn | Executive Producer |
| Production | Alexander Lentjes | Coordinating Producer |
| Production | Craig Rittenbaum | Associate Producer |
| Production | Gina Shay | Executive Producer |
| Camera | Chris Stover | Director of Photography |
| Art | Kirsten Kawamura | Art Direction |
| Production | Art Bidwell | Production Manager |
| Production | Mariel Song | Production Supervisor |
| Writing | Danny Langston | Story Artist |
| Writing | Jon Magram | Story Artist |
| Visual Effects | Melissa Manwill | Visual Development |
| Visual Effects | Richard Ramazinski | Compositing Artist |
| Writing | Arielle Rosenstein | Story Artist |
| Visual Effects | Stan Seo | Visual Development |
| Crew | Kenneth Gombos | Mixing Engineer |
| Sound | Carlos Sanches | Sound Re-Recording Mixer |
| Sound | Otis Van Osten | Sound Supervisor |
| Sound | Gerardo Gonzalez | Sound Designer |
| Sound | Aran Tanchum | Foley Mixer |
| Sound | Jon Vogl | ADR Mixer |
| Lighting | Brooke Beane | Lighting Artist |
| Visual Effects | Brooke Beane | Compositing Artist |
| Crew | Michael P. Hamler | CG Supervisor |
| Camera | Chris Stover | Head of Layout |
| Crew | Priyes Shah | CG Supervisor |
| Lighting | Christy Page | Lighting Artist |
| Visual Effects | Nedy Acet | Animation |
| Visual Effects | Kimberlee Allyn | Animation |
| Visual Effects | Shir Baron | Animation |
| Visual Effects | Brooke Shay Bradford | Animation |
| Visual Effects | Catherin Cubillan Reyes | Modeling |
| Visual Effects | Bill Díaz | Animation |
| Visual Effects | Daniel Edwards | Animation |
| Visual Effects | Chadd Ferron | Animation |
| Visual Effects | Jorge García | Animation |
| Visual Effects | Steven Hornby | Animation |
| Visual Effects | Sean Mack | Animation |
| Visual Effects | Haengsook Oh | Modeling |
| Visual Effects | Ryan Page | Animation |
| Visual Effects | Yung Pham | Animation |
| Lighting | Gabriel Portnof | Lighting Supervisor |
| Crew | Mark Roennigke | Supervising Animator |
| Crew | Dane Stogner | Supervising Animator |
| Visual Effects | Munira Moiz Tayabji | Visual Effects Supervisor |
| Visual Effects | Ryan Vicik | Animation |
| Crew | Allison Bernardi Stauth | Post Production Supervisor |
| Sound | Chris Fogel | Scoring Mixer |
| Sound | Stephanie McNally | Music Editor |
| Sound | Joseph Shirley | Music Producer |
| Production | Molly K. Gray | Production Coordinator |
| Production | Rebecca M. Smith | Production Coordinator |
| Editing | Glenn A. Kelly | Project Manager |
| Crew | Jared Smartt | Software Engineer |
