Escape from the Planet of the Apes (1971)

In Escape from the Planet of the Apes (1971), the story begins after the catastrophic events in Beneath the Planet of the Apes. Cornelius and Zira, two intelligent apes, narrowly escape the destruction of their world by traveling back in time to Earth in 1973. They arrive in Los Angeles, where their presence shocks humanity, especially as they reveal their ability to speak and reason. As they are introduced to the public, Zira becomes pregnant, which raises alarm among government officials who fear the birth of a future ape society that could dominate humans.