While staying at an Airbnb in upstate New York, Robert and May find themselves in a haunted house. The problem is, they can't remember anything that happens downstairs.
Unfortunately the movie What Happened Downstairs? is not yet available on HBO Max.
| Editing | Ayumi Ashley | Colorist |
| Directing | Andrew Nisinson | Director |
| Production | Andrew Nisinson | Executive Producer |
| Crew | Geoffrey Taylor | Cinematography |
| Directing | Nicole Townsend | Script Supervisor |
| Production | Eli Perdew | Production Assistant |
| Art | Ray Vargas | Location Scout |
| Editing | Miranda Clancy | Assistant Editor |
| Crew | Keatyn Lee | Thanks |
| Crew | Avtar Khalsa | Thanks |
| Directing | Nicole Townsend | First Assistant Director |
| Lighting | Ariel Nehorayoff | Gaffer |
| Art | Emma Penrose | Swing |
| Crew | Kris Mercado | Thanks |
| Production | Meilin Gray | Executive Producer |
| Camera | Richard Martin | First Assistant Camera |
| Crew | Blake Steigerwald | Steadycam |
| Production | Julia Payne | Production Designer |
| Costume & Make-Up | Tia Rivers | Makeup & Hair |
| Editing | Kyle Moriarty | Editor |
| Writing | Andrew Nisinson | Writer |
| Production | Michaela McMahon-Dunphy | Producer |
| Camera | Sarah Penson | Second Assistant Camera |
| Crew | Justin Benoliel | Thanks |
| Camera | Rome Peterson | Key Grip |
| Crew | Alec Thayer | Drone Operator |
| Sound | Ash Knowlton | Sound Designer |
| Camera | Inder Mann | Grip |
| Art | Ben Tuber | Title Designer |
| Sound | Sean McVerry | Music |
| Crew | Helene Korich | Thanks |
| Art | Tyler Ruzicka | Assistant Production Design |
| Visual Effects | Trung Bao | Visual Effects |
| Costume & Make-Up | Jordan Henderson | Wardrobe Coordinator |
