This Christmas, Damian Wayne wants to be a superhero like his dad – the one and only Batman. When Damian is left home alone while Batman takes on Gotham’s worst supervillains on Christmas Eve, he stumbles upon a villainous plot to steal Christmas and leaps at the chance to save the day.
Unfortunately the movie Merry Little Batman is not yet available on HBO Max.
| Directing | Mike Roth | Director |
| Writing | Morgan Evans | Screenplay |
| Production | Mike Roth | Executive Producer |
| Production | Sam Register | Executive Producer |
| Writing | Jase Ricci | Screenplay |
| Sound | Patrick Stump | Original Music Composer |
| Writing | Chuck Dixon | Characters |
| Writing | Graham Nolan | Characters |
| Writing | Doug Moench | Characters |
| Writing | Mike Roth | Story |
| Writing | Morgan Evans | Story |
| Production | Kristi Reed | Other |
| Production | Sarah Noonan | Casting |
| Production | Morgan Rudner | Casting |
| Art | Guillaume Fesquet | Art Direction |
| Art | Daby Zainab Faidhi | Assistant Art Director |
| Production | Andres Salaff | Supervising Producer |
| Production | Rebecca Palatnik | Producer |
| Production | Jase Ricci | Co-Producer |
| Crew | Darrick Bachman | Additional Writing |
| Crew | John Infantino | Additional Writing |
| Crew | Jennifer McCartney | Additional Writing |
| Crew | Andres Salaff | Additional Writing |
| Crew | Sam Spina | Additional Writing |
| Crew | Eddie Trigueros | Additional Writing |
| Production | James Mosley II | Associate Producer |
| Production | Lillianna Craighead | Production Manager |
| Production | Angela Graham | Assistant Production Manager |
| Production | Stefani Kahookele | Assistant Production Manager |
| Production | Mackenzie Kuc | Assistant Production Manager |
| Production | Michelle Santoso | Assistant Production Manager |
| Production | Peter Walton | Assistant Production Manager |
| Production | Tiffany R. Worsley | Assistant Production Manager |
| Production | Liz Martin | Assistant Production Manager |
| Production | Stephanie Meyer | Assistant Production Manager |
| Art | Benton Connor | Storyboard Artist |
| Art | Guy Bar'ely | Storyboard Artist |
| Art | Tom De Rosier | Storyboard Artist |
| Art | Madeleine Flores | Storyboard Artist |
| Art | Hilary Florido | Storyboard Artist |
| Art | Ben Fosselman | Storyboard Artist |
| Art | Joey Karwal | Storyboard Artist |
| Art | Luther McLaurin | Storyboard Artist |
| Art | Nora Meek | Storyboard Artist |
| Art | Cole Sanchez | Storyboard Artist |
| Art | Sam Spina | Storyboard Artist |
| Art | Sean Szeles | Storyboard Artist |
| Art | Sarah Visel | Storyboard Artist |
| Visual Effects | Marco Cinello | Layout Supervisor |
| Art | Rayfield Angrum | Other |
| Art | Stevan Wahl | Other |
| Visual Effects | Nikolas Ilic | Character Designer |
| Visual Effects | Julien Le Rolland | Character Designer |
| Visual Effects | Benjamin Tong | Character Designer |
| Art | Thaddeus Couldron | Prop Designer |
| Art | Lynn Kegel | Background Designer |
| Art | Jacques Lee | Background Designer |
| Art | Janie Lee | Background Designer |
| Art | Sun Jae Lee | Background Designer |
| Art | Carissa Nakata | Background Designer |
| Art | Derek Ortega | Background Designer |
| Art | Philip Vose | Background Designer |
| Art | Jon Vermileya | Background Designer |
| Art | Léo Weiss | Background Designer |
| Art | Sheryl Yap | Background Designer |
| Visual Effects | Ellen Kim | Matte Painter |
| Visual Effects | Monica Nguyen-Vo | Matte Painter |
| Visual Effects | Casey Stone-Pirrie | Matte Painter |
| Visual Effects | Rian Sygh | Matte Painter |
| Visual Effects | Amanda Bush | Color Designer |
| Visual Effects | Zachary Clarkson | Color Designer |
| Visual Effects | Daniel Elson | Color Designer |
| Visual Effects | Scott Epstein | Color Designer |
| Visual Effects | Pamela Long | Color Designer |
| Visual Effects | Nancy Ulene | Color Designer |
| Directing | Nick Cross | Layout |
| Visual Effects | Nick Cross | Visual Development |
| Visual Effects | Nick Cross | Animation |
| Crew | Matthew Girardi | Visual Effects Art Director |
| Visual Effects | Mac Whiting | Supervising Animation Director |
| Editing | Ginger Brown | Assistant Editor |
| Editing | Cris Mertens | Assistant Editor |
| Editing | Paul Neal | Assistant Editor |
| Crew | Kate Diaz | Additional Music |
| Crew | Ian Honeyman | Additional Music |
| Production | Sammy Perlmutter | Executive In Charge Of Production |
| Production | Pekka Ala-Seppälä | Line Producer |
| Production | Suvi Väkeväinen | Line Producer |
| Art | Guillaume Fesquet | Production Design |
| Art | Napoléon Berk Senturk | Art Direction |
| Production | Mika Koskinen | Production Manager |
| Sound | J. Lampinen | Foley Artist |
| Visual Effects | Ville Westerlund | Compositing Artist |
| Visual Effects | Kaisa Pirttinen | Animation |
| Visual Effects | Teadora Kankaanpää | Animation |
| Visual Effects | Janne Lehtonen | Animation |
| Production | Anttu Harlin | Production Supervisor |
| Production | Joonas Utti | Production Supervisor |
| Visual Effects | Joonas Utti | Supervising Animation Director |
| Visual Effects | Kai Härtsilä | Layout Supervisor |
| Visual Effects | Martti Sirkkola | Animation Coordinator |
| Visual Effects | Ville Westerlund | 3D Modeller |
| Visual Effects | Edwin van Beek | Animation Supervisor |
| Editing | Andy Young | Editor |
| Writing | Bob Kane | Characters |
| Writing | Bill Finger | Characters |
