A decade into a transformed world ravaged by nuclear devastation and ape uprisings, Caesar faces his greatest challenge yet—safeguarding the last remnants of humanity and apedom from both a fanatical human sect and an extremist ape movement determined to reshape civilization. Directed by J. Lee Thompson. Written by Pierre Boullé, Paul Dehn, and John William Corrington. Starring Roddy McDowall, Claude Akins, and Natalie Trundy.