The Mysterious Monsters
“PROOF! There are giant creatures living at the edge of our civilisation.”
We checked 8 streaming services in India on 06 Jun 2026 at 02:36 IST
About
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.
Cast
Peter Graves
as Himself - Narrator
Peter Hurkos
as Himself
William Stenberg
as Himself
Sidney Walter
as Himself (as Dr. Sidney Walter)
Jerilou Whelchel
as Herself
Roger Patterson
as Archive Footage
Peter C. Byrne
as Self
Grover Krantz
as Self
Adrian Shine
as Loch Ness Investigator
Robert W. Morgan
as Self
John Green
as Self
Where does The Mysterious Monsters rank today?
The Mysterious Monsters is #10000 on the CineFlixo Daily Streaming Charts today.
- Highest: #10000
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Watch The Mysterious Monsters Online Free in HD
Stream The Mysterious Monsters online free in HD on CineFlixo. A popular documentary, horror, and fantasy movie originally produced in Inglés and released in 1976, it's earned a solid 6.2/10 from 5 viewers worldwide.
About The Mysterious Monsters
“PROOF! There are giant creatures living at the edge of our civilisation.”
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. Running 86 minutes.
The Mysterious Monsters Cast and Characters
The cast features Peter Graves (as Himself - Narrator), Peter Hurkos (as Himself), William Stenberg (as Himself), Sidney Walter (as Himself (as Dr. Sidney Walter)), and Jerilou Whelchel (as Herself). Their performances are a major reason The Mysterious Monsters has built such a passionate audience.
Where to Watch The Mysterious Monsters Online
On CineFlixo you can watch The Mysterious Monsters free — no account, no credit card, no ads in the middle of the show. We stream the full film in 720p / 1080p HD, with subtitles when available, on any device: phone, tablet, laptop, or smart TV browser.
▶ Watch The Mysterious Monsters NowWhy People Are Watching The Mysterious Monsters
The Mysterious Monsters flies under the radar but it deserves your attention. What makes it work is world-building that respects the audience's intelligence. If you enjoy Inglés storytelling that doesn't follow the same tired beats, this is the kind of film you'll end up recommending to friends.
Frequently Asked Questions about The Mysterious Monsters
Where can I watch The Mysterious Monsters online for free?
You can watch The Mysterious Monsters online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How long is The Mysterious Monsters?
The Mysterious Monsters runs for 86 minutes (about 1.4 hour).
Is The Mysterious Monsters good? What's the rating?
The Mysterious Monsters holds a 6.2/10 rating based on 5 reviews — a solid pick if the genre interests you.
Who is in the cast of The Mysterious Monsters?
The main cast includes Peter Graves, Peter Hurkos, William Stenberg, and Sidney Walter, plus a strong supporting ensemble.
Is The Mysterious Monsters available in Inglés?
Yes — The Mysterious Monsters was originally produced in Inglés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was The Mysterious Monsters released?
The Mysterious Monsters was released in 1976.
Do I need an account to watch The Mysterious Monsters on CineFlixo?
No. CineFlixo is free and you can watch The Mysterious Monsters without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Similar Movies You Might Like
If you enjoyed The Mysterious Monsters, check out Wow Signal, Happy Camp, Weird Visions Society, Body Snatchers, and The Invasion.
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Frequently Asked Questions
Common questions about The Mysterious Monsters
Where can I watch The Mysterious Monsters for free?
You can watch The Mysterious Monsters (1976) online for free on CineFlixo. Just click "Watch Free" on this page to start streaming instantly — no account, subscription, or downloads required.
What is The Mysterious Monsters about?
The Mysterious Monsters is a Documentary/Horror English-language film. 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.
When was The Mysterious Monsters released?
The Mysterious Monsters was released on July 1, 1976. It has a runtime of 1h 26m. The film was produced by Sunn Classic Pictures.
Who stars in The Mysterious Monsters?
The Mysterious Monsters stars Peter Graves, Peter Hurkos, William Stenberg and Sidney Walter. The full cast list is available in the Cast section above.
Is The Mysterious Monsters available in HD?
Yes, The Mysterious Monsters is available to stream in high definition (HD) on CineFlixo. Our players automatically deliver the best quality your connection supports — no extra setup needed.