Alien Endgame (2022) is a Documentary film that follows in 2021, a Pentagon report revealed what the US government had denied for decades -- UFOs are real and may even pose a threat to our planet. Now, ex-military members break their silence about the massive cover-up. Are we prepared for an alien invasion? Currently, you can watch Alien Endgame on HBO Max, Discovery +. Streaming availability may vary by country and platform over time. It has a user rating of 6.7 out of 10 from 10 votes. Fans of documentary movies may also want to explore similar titles below.