The project was announced in 2002 and remained in development for twelve years , with filming beginning on August 19 , 2014 , in Los Angeles . The film was financed and produced by Sandbar Pictures and Abandon Pictures , and premiered at the 2015 Sundance Film Festival on January 26 , before beginning a limited theatrical release on July 17 , 2015 . The film received mostly positive reviews from critics
2015 Sundance Film Festival
2015 Sundance Film Festival
The Stanford Prison Experiment (film)