Night Key (1937) is a Science Fiction, Crime film that follows the inventor of a new top-of-the-line burglar alarm system is kidnapped by a gang in order to get him to help them commit robberies. Currently, you can watch Night Key on Amazon Video, Apple TV Store, Google Play Movies, YouTube. Streaming availability may vary by country and platform over time. It has a user rating of 6.2 out of 10 from 33 votes. Fans of science fiction movies may also want to explore similar titles below.