The Mysterious Monsters is a 1976 documentary film written and directed by Robert Guenette about the cryptids Bigfoot, the Loch Ness Monster, and the Yeti. It contained content from Guenette’s made-for-TV movie Monsters! Mysteries or Myths? that aired on CBS on November 25, 1974. That version had been produced by David L. Wolper in cooperation with the Smithsonian Institution and was narrated by Rod Serling.

The Mysterious Monsters (1975)
Directed by Robert Guenette
Genres - Documentary, Fantasy, Horror |
Release Date - Nov 15, 1975 |
Run Time - 86 min. |
Countries - United States of America |
MPAA Rating - G
Description by Wikipedia
Movie Info
Tags
Bigfoot, Yeti
Alternate Titles
Bigfoot: The Mysterious Monster
US
I mostri misteriosi
IT
The Mysterious Monsters
AU, GB, US
Ungeheuer!
DE