A sinister hypnotist and his sleepwalking servant terrorize a German mountain town in this jagged, expressionist silent nightmare.

Public domain (US): Published 1920; all works published in the US before 1931 (and foreign works published before 1931) are public domain in the US (95-year term expired). Source: Internet Archive (https://archive.org/details/DasKabinettdesDoktorCaligariTheCabinetofDrCaligari).