PLANET OF THE APES 1968 & BENEATH THE PLANET OF THE APES 1970 Sci-Fi DOUBLE FEATURE

PLANET OF THE APES 1968 - An astronaut crew crash-lands on a planet where a highly intelligent ape species are dominant and humans are enslaved.
BENEATH THE PLANET OF THE APES 1970 - An interplanetary rescue mission searches for the only survivor of a previous expedition., discovering a planet ruled by apes and an underground city run by telepathic humans.