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.
| Directing | Josh Schwartz | Director |
| Production | Stephanie Savage | Producer |
| Production | Josh Schwartz | Producer |
| Editing | Michael L. Sale | Editor |
| Production | Alyssa Weisberg | Casting |
| Art | Mark White | Production Design |
| Art | Lauren Fitzsimmons | Art Direction |
| Production | Riley Flanagan | Location Production Assistant |
| Writing | Max Werner | Screenplay |
| Camera | Yaron Orbach | Director of Photography |
| Sound | Deborah Lurie | Music |
| Production | David Kanter | Producer |
| Production | Steve Golin | Executive Producer |
| Production | Michael Beugg | Executive Producer |
| Production | Paul Green | Executive Producer |
| Production | Jennifer Scudder Trent | Post Production Coordinator |
| Editing | Wendy Greene Bricmont | Editor |
| Art | Jennifer Lukehart | Set Decoration |
| Costume & Make-Up | Eric Daman | Costume Design |
| Production | Samson Mucke | Unit Production Manager |
| Crew | Valerie Flueger Veras | Post Production Supervisor |
| Directing | Mark Anthony Little | First Assistant Director |
| Directing | Jason Roberts | Second Assistant Director |
| Directing | Nicole Rodgers | Second Second Assistant Director |
| Directing | Scott Rorie | Second Assistant Director |
| Crew | Abby Burr | Stunt Double |
| Crew | Jillian Cole | Stunt Double |
| Crew | Tom Dziak | Stunt Driver |
| Crew | Richard Fike | Stunt Coordinator |
| Crew | Sara Fike | Stunt Driver |
| Crew | Konner Lashley | Stunt Double |
| Crew | John Sundquist | Stunt Double |
| Camera | Spencer Gillis | Second Assistant "A" Camera |
| Production | Lillian Pyles | Extras Casting |
| Camera | Charles Crivier | Key Grip |
