It’s no secret that Rod Serling co-wrote the screenplay to the original Planet of the Apes in 1968. That was four years after his signature TV series, The Twilight Zone, had left the air.
I’ve heard people talk about the social commentary, twist ending, and other general similarities between Serling’s TV series and this feature film. But I’d like to get into the details and show how six episodes of The Twilight Zone seem to have directly inspired just about every aspect of Planet of the Apes.