Though it does end in the nuclear explosion that does create the post-apocalyptic world that would drive the events of Conquest Of The Planet Of The Apes.Ĭharlton Heston does briefly return from the original, though his role is significantly smaller, as the story follows another astronaut, Brent, that followed Heston’s character, Taylor, to the planet to rescue him. Like a lot of direct sequels to big movies in the '70s and '80s, it sort of doesn’t fit into the larger narrative. Beneath The Planet Of The Apes was a hastily thrown together sequel of the original 1968 movie, and it shows.