The Mysterious Monsters poster
Where to stream

The Mysterious Monsters

6.219761h 26mGMovieDocumentaryHorrorFantasy

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,…

DirectorRobert Guenette
WriterRobert Guenette
ProducersCharles E. Sellier Jr.·Raylan D. Jensen

Where to watch

Tubi TVTubi TV
Availability shown for Canada · rights vary by country

Cast · Directed by Robert Guenette

PGPeter Graves
Peter Graves
Himself - Narrator
PH
Peter Hurkos
Himself
WS
William Stenberg
Himself
SW
Sidney Walter
Himself (as Dr. Sidney Walter)
JW
Jerilou Whelchel
Herself
RPRoger Patterson
Roger Patterson
Archive Footage
PB
Peter C. Byrne
Self
GK
Grover Krantz
Self
AS
Adrian Shine
Loch Ness Investigator
RM
Robert W. Morgan
Self
JG
John Green
Self

More from Peter Graves · Lead actor

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American Dad!
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2005 · 7.0
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1993 · 7.1
The Love Boat
The Love Boat
1977 · 6.3
Cold Case
Cold Case
2003 · 7.7
The Alfred Hitchcock Hour
The Alfred Hitchcock Hour
1962 · 7.9
Mission: Impossible
Mission: Impossible
1966 · 7.6
Fantasy Island
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1978 · 6.5
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1985 · 7.6
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More from Robert Guenette · Director

SP FX: The Empire Strikes Back
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1980 · 8.2
The Making of Star Wars
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1977 · 7.1
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The Man Who Saw Tomorrow
1981 · 6.9
Here's Looking At You, Warner Bros.
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1991 · 6.8
Classic Creatures: Return of the Jedi
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1983 · 8.8
Dinosaur!
Dinosaur!
1985 · 7.5
The Flintstones' 25th Anniversary Celebration
The Flintstones' 25th Anniversary Celebration
1986 · 7.4
Great Movie Stunts: Raiders of the Lost Ark
Great Movie Stunts: Raiders of the Lost Ark
1981 · 6.8
The Hanna-Barbera Hall of Fame: Yabba Dabba Doo II
The Hanna-Barbera Hall of Fame: Yabba Dabba Doo II
1979 · 7.0
The Amazing World of Psychic Phenomena
The Amazing World of Psychic Phenomena
1976 · 8.0
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The Mysterious Monsters — streaming FAQ

Which OTT platform streams The Mysterious Monsters?

The Mysterious Monsters is streaming on Tubi TV in Canada, and available to rent or buy on FlixFling. It's not currently on Netflix.

Is The Mysterious Monsters on Netflix?

No, The Mysterious Monsters is not on Netflix in Canada as of September 2026. It's currently on Tubi TV.

Is The Mysterious Monsters on Amazon Prime Video?

No, The Mysterious Monsters isn't on Amazon Prime Video in Canada right now. It's on Tubi TV instead.

Where can I watch The Mysterious Monsters for free?

The Mysterious Monsters is available to stream free (with ads) on Tubi TV in Canada.