Abby vat het plan op om gedurende de feestdagen haar vriendin Harper ten huwelijk te vragen bij de familie van haar geliefde. Ze ontdekt echter dat de conservatieve ouders van Harper niet op de hoogte zijn van hun relatie. Harper is zelfs nog niet uit de kast gekomen.
Ja! de film Happiest Season is nu beschikbaar om te kijken op Netflix in Nederland.
| Production | Eric Rasmussen | Production Assistant |
| Directing | Kim H. Winther | First Assistant Director |
| Production | Laurel Thomson | Production Executive |
| Production | Adam Richards | Casting Associate |
| Production | Isaac Klausner | Producer |
| Directing | Clea DuVall | Director |
| Production | Marty Bowen | Producer |
| Production | Wyck Godfrey | Executive Producer |
| Production | Jonathan McCoy | Executive Producer |
| Writing | Clea DuVall | Story |
| Writing | Clea DuVall | Screenplay |
| Writing | Mary Holland | Screenplay |
| Crew | Helena Barrett | Stunts |
| Crew | Ashley Pynn | Stunts |
| Camera | Rich Schutte | "B" Camera Operator |
| Camera | Amanda Rotzler | First Assistant "B" Camera |
| Art | Brad Towell | Graphic Designer |
| Production | Avital Siegel | Producer's Assistant |
| Sound | Brad J. Bakelmun | Foley Mixer |
| Sound | Hal Rosenfeld | Musician |
| Visual Effects | Kevin Konitsch | VFX Artist |
| Crew | Anthony Mecca | Stunts |
| Costume & Make-Up | Darcie Buterbaugh | Key Costumer |
| Lighting | Tom Morrison | Electrician |
| Production | Bethany Dilucente | Assistant Location Manager |
| Production | Chelsea Banglesdorf | Executive Producer's Assistant |
| Production | Alexis Owen-Guenther | Production Assistant |
| Crew | Miranda Wodzinski | Craft Service |
| Production | Richard E. Chapla Jr. | Unit Production Manager |
| Camera | Yev Shrayber | Second Assistant Camera |
| Camera | Dan Sotak | Second Assistant "B" Camera |
| Costume & Make-Up | Kimberly Amacker | Key Makeup Artist |
| Production | James Croal Jackson | Production Secretary |
| Production | Jake Salcudean | Producer's Assistant |
| Crew | Dylan Martin | Post Production Assistant |
| Costume & Make-Up | Tina Fabulic | Key Hair Stylist |
| Crew | Ray Tasillo | Special Effects Coordinator |
| Crew | Rachael M. Roth | Unit Publicist |
| Directing | Darin Rivetti | First Assistant Director |
| Production | Nathaniel Peters | Production Assistant |
| Editing | Cynthia E. Thornton | Assistant Editor |
| Sound | Stefan Fraticelli | Foley Artist |
| Production | Dylan McCully | Production Assistant |
| Production | Isaac Shuppas | Production Assistant |
| Production | Stephanie Tolksdorf | Production Assistant |
| Production | Donna M. Belajac | Local Casting |
| Sound | Deb Adair | Sound Re-Recording Mixer |
| Art | Rob Fiks | Property Master |
| Costume & Make-Up | Gina Lamonica | Costumer |
| Costume & Make-Up | Stacey Panepinto | Makeup Department Head |
| Crew | Ian Mclaughlin | Stunts |
| Crew | Kelly Richardson | Stunts |
| Costume & Make-Up | April Schuller | Hair Department Head |
| Lighting | Armando Ballesteros | Chief Lighting Technician |
| Lighting | Denair Isaac | Electrician |
| Camera | Keith Seymour | Key Grip |
| Production | Giela Fredman | First Assistant Accountant |
| Production | Kamari Somers | Production Assistant |
| Sound | Ron Mellegers | Foley Mixer |
| Sound | Damon Tedesco | Scoring Mixer |
| Crew | Doug Coleman | Stunt Coordinator |
| Crew | Emmanuel Savary | Stunts |
| Camera | Michael W. Craven | Camera Operator |
| Costume & Make-Up | Alta Marie Bialon | Hairstylist |
| Production | Chris Ruppenthal | Assistant Location Manager |
| Art | John Finnell | Art Department Coordinator |
| Production | Mark Gazica | Production Assistant |
| Crew | Ginny Minuto | Craft Service |
| Sound | Natalie Goldstein | Music Coordinator |
| Directing | Alyssa Batchelor | Second Assistant Director |
| Sound | Anthony Cargioli | Boom Operator |
| Production | Jim Kateluzos | Production Assistant |
| Visual Effects | James Pastorius | Visual Effects Supervisor |
| Visual Effects | H Haden Hammond | VFX Artist |
| Visual Effects | Luke Ewing | VFX Artist |
| Sound | Season Kent | Music Supervisor |
| Costume & Make-Up | Olivia Becker | Costumer |
| Lighting | Jon D. Morrison | Assistant Chief Lighting Technician |
| Lighting | Dakota Hadix | Electrician |
| Camera | Lacey Terrell | Still Photographer |
| Production | Bálint Oltvai | Production Assistant |
| Production | Erin Rose Kelly | Casting Assistant |
| Crew | Frank Conforti | Transportation Coordinator |
| Sound | Alyssa Park | Musician |
| Editing | Natasha Leonnet | Digital Colorist |
| Costume & Make-Up | Lindsey Waltonbaugh | Costumer |
| Camera | Don Yockey | Grip |
| Camera | Taylor Flick | Grip |
| Production | Eric Dilucente | Location Manager |
| Production | Billy Cole | Production Coordinator |
| Production | Nathaniel Fitzgerald | Production Assistant |
| Production | Adam Shahen | Production Assistant |
| Editing | Mark Perzely | First Assistant Editor |
| Sound | Paul Hammond | Dialogue Editor |
| Camera | Doug Cronin | Grip |
| Sound | Jason Jouver | Utility Sound |
| Production | Cabernet Murray | Production Accountant |
| Production | Nathan Matt | Second Assistant Accountant |
| Crew | Heidi Germaine Schnappauf | Stunts |
| Production | Jonathan McCoy | Unit Production Manager |
| Production | Jaclyn Huntling Swatt | Co-Producer |
| Camera | Deb Peterson | First Assistant Camera |
| Costume & Make-Up | Tori Musial | Costumer |
| Crew | Doug Stanczak | Video Assist Operator |
| Production | Amber Robson | Assistant Production Coordinator |
| Directing | Jonathan Medeiros | Second Second Assistant Director |
| Production | Kailee Greb | Production Assistant |
| Sound | Frédéric Dubois | Sound Effects Editor |
| Visual Effects | Brice Liesveld | Visual Effects Producer |
| Visual Effects | Liz Flush | Visual Effects Production Manager |
| Camera | Joe Seifert | Grip |
| Sound | George Simpson | Production Sound Mixer |
| Art | Justin Pellisero | Leadman |
| Art | Angela Donatelli | Assistant Property Master |
| Camera | Curtis Abbott | Digital Imaging Technician |
| Camera | Jason Kirker | Dolly Grip |
| Sound | Christopher Strollo | Production Sound Mixer |
| Production | Nicole Basile | Payroll Accountant |
| Art | Jonathan Pitcher | Construction Coordinator |
| Production | Chelsea Lynn Peterson | Extras Casting |
| Crew | Dustin Derosa | Set Medic |
| Visual Effects | Henry Borrasso | VFX Artist |
| Visual Effects | Tim Turner | VFX Artist |
| Crew | Ellie Cumming | Additional Music |
| Production | Fabiana Arrastia | ADR Voice Casting |
| Costume & Make-Up | Karen Bellamy | Costume Supervisor |
| Sound | Luke Maurer | Musician |
| Sound | Tim Loo | Musician |
| Editing | Loan Phan | Digital Intermediate Producer |
| Crew | Phil Lee | Mix Technician |
| Sound | Randy Wilson | Foley Mixer |
| Sound | Erica Weis | Music Editor |
| Sound | Amie Doherty | Orchestrator |
| Art | Kate Dougherty | Set Designer |
| Crew | Terence Mahoney | Transportation Co-Captain |
| Sound | Kathryn Madsen | Supervising Sound Editor |
| Crew | Jacob Hays | Key Special Effects |
| Production | Chuck Peterson | Extras Casting |
| Sound | Alexandra Fehrman | Sound Re-Recording Mixer |
| Sound | Matt Temple | Supervising Sound Editor |
| Sound | Jason Charbonneau | Foley Artist |
| Directing | Sooze Buliavac | Script Supervisor |
| Art | Buster Pile | Construction Coordinator |
| Costume & Make-Up | Matthew McCloskey | On Set Dresser |
| Crew | Jonathan Pishko | Transportation Captain |
| Sound | Shalini Vijayan | Musician |
| Art | Shanna Worsham | Set Decoration |
| Costume & Make-Up | Kathleen Felix-Hager | Costume Design |
| Production | Rich Delia | Casting |
| Camera | John Guleserian | Director of Photography |
| Sound | Amie Doherty | Original Music Composer |
| Editing | Melissa Bretherton | Editor |
| Art | Theresa Guleserian | Production Design |
| Art | Maggie Srmayan | Art Direction |
| Camera | Greg Edwards | Dolly Grip |
