American Ninja 4: The Annihilation (1990) is a Action, Thriller film that follows the two American Ninjas, Joe Armstrong and Sean Davidson, team up to do battle against a terrorist and his band of Ninjas. Currently, you can watch American Ninja 4: The Annihilation on Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video, Apple TV Store. Streaming availability may vary by country and platform over time. It has a user rating of 5.2 out of 10 from 171 votes. Fans of action movies may also want to explore similar titles below.