Watch The Mysterious Monsters Free Full Movie. The Mysterious Monsters 1976 movies streaming. One of the many notorious 70's "unknown" documentaries, The Mysterious Monsters covers topics such as Bigfoot and the Loch Ness Monster. Pictures, sounds, and videos of these two monsters are examined by Peter Graves, the host. Psychics, hypnotism, and the history of Bigfoot in many ancient cultures is also scrutinized. Watch Online ▶ The Mysterious Monsters 1976 : Release : 1976-07-01 Popularity : Genre : Documentary, Horror, Fantasy Runtime : 86 minutes Home Page : Bugdet : Company : Sunn Classic Pictures Cast : Peter Graves (Himself - Narrator), Peter Hurkos (Himself), William Stenberg (Himself) Tagline: PROOF! There are giant creatures living at the edge of our civilisation. The Mysterious Monsters Reviews : Check this out for other movies Source : The Mysterious Monsters Watch Online ▶ Results The Mysterious Monsters - - - - - - - - - The Mysterious Monsters (1975...