Now You See Him, Now You Don't (1972)
- By Robert Butler
- in Family, Comedy, Sci-Fi
A journalist is saved by a giant submarine captained by a 200 year old man who takes him to an underwater paradise city where no one ages. That's when monsters and mutants sent by the captain's rival, a 200 year old scientist, attack.
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.