Four American astronauts crashland on an unchartered planet and discover it is ruled by a race of intelligent apes who use a primitive race of humans for experimentation and sport. Astronaut Taylor (Heston) soon finds himelf among the hunted, his life in the hands of a benevolent chimpanzee scientist (McDowall).

In this second Planet of the apes film, apes battle human mutants who survived a nuclear blast many years before.

Mark Twain's boy hero enters a cave with Huck and Becky to save Muff Potter, witness to murder.

In this fifth and final Planet of the apes adventures, humans and apes battle for the supremacy of the Earth.