Its setting and characters parody the original `` Star Wars '' trilogy , as well as other sci-fi franchises including `` Star Trek '' , `` Alien '' , and the `` Planet of the Apes '' films .
Its plot and characters parody the original `` Star Wars '' trilogy , as well as other sci-fi franchises including `` Star Trek '' , `` Alien '' , and the `` Planet of the Apes '' films .