Iris wilde als klein meisje al filmmaker worden. De afgelopen vijf jaar werkt ze als regisseur van een onsuccesvolle reality show. Iris ziet de mogelijkheid zichzelf te bewijzen wanneer ze de opdracht krijgt terug te keren naar haar geboortestadje Black Falls. In Black Falls staat een afgelegen gekkenhuis, waar men op gruwelijke wijze shocktherapie toepaste op de patiënten. Iris filmt binnenin het gekkenhuis en denkt terug aan de horrorfilmpjes die zij er als klein meisje met haar vrienden opnam. Op dit moment weet Iris nog niet hoeveel problemen haar te wachten staan...
Nee, helaas is The Purgation nog niet beschikbaar op Netflix in Nederland.
| Camera | Anthony Campuzano | Second Assistant Camera |
| Production | Stephanie Pascaris | Producer |
| Editing | Juliette Edwards | Editor |
| Production | Alicia Harris | Production Designer |
| Camera | Adam Boggs | First Assistant Camera |
| Directing | Sandra Castro | Second Second Assistant Director |
| Lighting | Joseph C. Petkwitz | Gaffer |
| Sound | Marc Chester | Music |
| Production | Chelsea Lutz | Production Assistant |
| Camera | Richard Humberto Pena | Grip |
| Production | Nicole Sykes | Location Manager |
| Costume & Make-Up | Erin Blinn | Makeup Designer |
| Art | Jade Law | Painter |
| Costume & Make-Up | Sarah Creager | Costume Designer |
| Directing | Matt Dority | First Assistant Director |
| Camera | Kevin B. Woodruff | Key Grip |
| Directing | Jonathan T. Simon | Script Supervisor |
| Art | Kerri Fernsworth | Set Dresser |
| Art | Grant Hyde | Art Direction |
| Art | Natalie Swain | Painter |
| Production | Nasaka Malimba | Production Assistant |
| Production | Stephanie Pascaris | Unit Production Manager |
| Sound | Cary Daniels | Sound Mixer |
| Costume & Make-Up | Erin Blinn | Hair Designer |
| Crew | Josh Suprenant | Carpenter |
| Costume & Make-Up | Jessica Johnston | Makeup & Hair Assistant |
| Art | Jackie De Leon | Assistant Production Design |
| Production | Brian Kong | Production Assistant |
| Camera | Anthony Prudenti | Grip |
| Production | Lauren M. Womble | Production Assistant |
| Directing | Ginny Cheung | Second Assistant Director |
| Costume & Make-Up | Erin Blinn | Special Effects Makeup Artist |
| Costume & Make-Up | Linda Martinez | Assistant Costume Designer |
| Camera | Ginny Cheung | Set Photographer |
| Sound | Neil Kimball | Production Sound Mixer |
| Sound | Lauren M. Womble | Sound Assistant |
| Costume & Make-Up | Melinda Colburn | Assistant Costume Designer |
| Crew | Tom Walsh | Carpenter |
| Crew | Carolina Yuriar | Catering |
| Editing | Andrew R. Cohen | Assistant Editor |
| Visual Effects | Danny Kong | Visual Effects |
| Visual Effects | Eve Skylar | Visual Effects |
| Sound | Jake Walsh | Foley Artist |
| Editing | John Hale | Colorist |
| Editing | Justin Edwards | Assistant Editor |
| Crew | Sarovar Banka | Thanks |
| Crew | Maikiko James | Thanks |
| Crew | Michael Temple | Thanks |
| Crew | Michael Newton | Thanks |
| Crew | Brian Smith | Thanks |
| Crew | Sudeep Mathur | Thanks |
| Crew | Caroline Yeh | Thanks |
| Crew | James Kao | Thanks |
| Crew | Walter Craig Boholst | Thanks |
| Crew | Brian Kong | Thanks |
| Crew | Sachin Mehta | Thanks |
| Crew | John Raposas | Thanks |
| Crew | Dominic Chu | Thanks |
| Crew | Fred Garnica | Thanks |
| Crew | Nacia Schreiner | Thanks |
| Crew | Julien David | Thanks |
| Crew | Noah Smith | Thanks |
| Crew | Nasaka Malimba | Thanks |
| Crew | Beejal Lakhavani | Thanks |
| Crew | Chris Eska | Thanks |
| Crew | Tim Collins | Thanks |
| Crew | Reynaldo A. Garnica | Thanks |
| Crew | Ratana Therakulsathlt | Thanks |
| Crew | Marcello Vitanza | Thanks |
| Crew | Sanger Lee | Thanks |
| Production | Ken Conklin | Executive Producer |
| Production | Jeremy Cordy | Producer |
| Camera | John Hale | Director of Photography |
| Directing | Elaine Chu | Director |
| Production | B.T. Moorer | Executive Producer |
| Writing | Elaine Chu | Writer |
| Production | Elaine Chu | Producer |
| Production | Brian Sounalath | Associate Producer |
