The Monolith Monsters is a 1957 American black-and-white science fiction film from Universal-International, produced by Howard Christie, directed by John Sherwood, and starring Grant Williams and Lola Albright. The film is based on a story by Jack Arnold and Robert M. Fresco, with a screenplay by Fresco and Norman Jolley.

The Mole People is a 1956 American science fiction adventure horror film distributed by Universal International, which was produced by William Alland, directed by Virgil W. Vogel, and stars John Agar, Hugh Beaumont, and Cynthia Patrick. The story is written by László Görög. The film was released on December 1, 1956, on a double feature with their jungle adventure film Curucu, Beast of the Amazon. It has also been featured on episodes of Mystery Science Theater 3000 and Svengoolie.