Planet of the Apes is a 1974 American science fiction television series that was broadcast on CBS. The series features Ron Harper, James Naughton, Roddy McDowall, Mark Lenard, and Booth Colman. It is based on the 1968 movie Planet of the Apes and its sequels, which were, in turn, based on the 1963 novel La Planète des singes (translated as Planet of the Apes) by Pierre Boulle.