Beneath the Planet of the Apes

IMDB: 6.0/10

The sole survivor of an interplanetary rescue mission searches for the only survivor of the previous expedition. He discovers a planet ruled by apes and an underground city run by telepathic humans.

Planet of the Apes

IMDB: 5.7/10

In 2029, an Air Force astronaut crash-lands on a mysterious planet where evolved, talking apes dominate a race of primitive humans.