- HD 1080
- Runtime: 80m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Larry Buchanan
- Stars: Tommy Kirk, Shirley Bonne, Bill Thurman, Annabelle Weenick, Corveth Ousterhouse
- keywords: monster, kidnapping, cave, flashback, creature, madman
- Production_studio: Azalea Pictures
- Slogan: Trapped in a Cave of Terror!
- The It's Alive is featured in the top rankings of 1969
- #34 in Top Horror Movies of 1969
A farmer traps three people in a cave with his pet prehistoric monster.