Sergeant Deadhead (1965) is a Comedy, Music film that follows an astronaut goes into space with a chimpanzee. When they return to Earth after their orbit, it is discovered that the chimp has the brains of the astronaut, and the astronaut has the brains of the chimp. Complications ensue. Currently, you can watch Sergeant Deadhead on Amazon Prime Video, fuboTV, MGM+ Amazon Channel, Philo. Streaming availability may vary by country and platform over time. It has a user rating of 5.2 out of 10 from 4 votes. Fans of comedy movies may also want to explore similar titles below.