Planet of the Apes is a science fiction film series that began in 1968. The first movie, Planet of the Apes, follows a group of astronauts who crash land on a planet ruled by intelligent apes. The planet is revealed to be EARTH, thousands of years in the future. The sequels explore the themes of human-ape relations and the consequences of nuclear war. The crossword solution for PLANET OF THE APES is EARTH, which is the planet featured in the films.