Wren's Halloween plans go awry when she's made to babysit her brother, who disappears into a sea of trick-or-treaters. Accompanied by her best friend and two nerdy classmates, Wren needs to find her brother before her mom finds out.
Unfortunately the movie Fun Size is not yet available on HBO Max.
| Art | Lauren Fitzsimmons | Art Direction |
| Production | Stephanie Savage | Producer |
| Production | Josh Schwartz | Producer |
| Art | Mark White | Production Design |
| Directing | Josh Schwartz | Director |
| Editing | Michael L. Sale | Editor |
| Production | Alyssa Weisberg | Casting |
| Production | Riley Flanagan | Location Production Assistant |
| Writing | Max Werner | Screenplay |
| Camera | Yaron Orbach | Director of Photography |
| Sound | Deborah Lurie | Music |
| Production | Paul Green | Executive Producer |
| Production | Michael Beugg | Executive Producer |
| Production | David Kanter | Producer |
| Production | Steve Golin | Executive Producer |
| Production | Jennifer Scudder Trent | Post Production Coordinator |
| Crew | Abby Burr | Stunt Double |
| Costume & Make-Up | Eric Daman | Costume Design |
| Crew | John Sundquist | Stunt Double |
| Production | Samson Mucke | Unit Production Manager |
| Crew | Valerie Flueger Veras | Post Production Supervisor |
| Crew | Jillian Cole | Stunt Double |
| Directing | Nicole Rodgers | Second Second Assistant Director |
| Crew | Tom Dziak | Stunt Driver |
| Crew | Sara Fike | Stunt Driver |
| Crew | Richard Fike | Stunt Coordinator |
| Editing | Wendy Greene Bricmont | Editor |
| Directing | Scott Rorie | Second Assistant Director |
| Art | Jennifer Lukehart | Set Decoration |
| Directing | Jason Roberts | Second Assistant Director |
| Crew | Konner Lashley | Stunt Double |
| Directing | Mark Anthony Little | First Assistant Director |
| Camera | Spencer Gillis | Second Assistant "A" Camera |
