Watch Beneath the Planet of the Apes (1970) (1970) HD Full Movie Free on solarmovie.do. Watch Beneath the Planet of the Apes (1970) (1970) online free. The sole survivor of an interplanetary rescue mission searches for the only survivor of the previous...The sole survivor of an interplanetary rescue mission searches for the only survivor of the previous expedition. He discovers a planet ruled by apes and an underground city run by telepathic humans.