Plot
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.
Where to watch Sergeant Deadhead?
Sergeant Deadhead is a comedy movie featuring Frankie Avalon.
Sergeant Deadhead is currently streaming on Amazon Prime Video, MGM Plus Amazon Channel, MGM Plus Roku Premium Channel and fuboTV.