Watch The Experiment (2001) HD Full Movie Free on SolarMovie. Watch The Experiment (2001) online free. For two weeks, 20 male participants are hired to play prisoners and guards in a prison. The "prisone...For two weeks, 20 male participants are hired to play prisoners and guards in a prison. The "prisoners" have to follow seemingly mild rules, and the "guards" are told to retain order without using physical violence.