Plot hole in first Planet of the Apes from the 1960s
So Taylor lands on a planet which he doesn't recognize as Earth at first. But as soon as he hears the apes speaking English, he should assume he is on Earth. What other planet would have developed the same exact language that he spoke when he left Earth hundreds of years ago? He didn't have to wait until the end of the film to realize he was on Earth. It should have occurred to him as soon as the apes started speaking.
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