At the turn of the century, Earth’s monsters have been safely rounded up and studied on Monsterland. Chaos erupts when a race of she-aliens known as the Kilaaks unleashes the monsters across the world.
- Runtime: 88 min
- Released: 23 May 1969
- Genre:Action, Adventure, Sci-Fi
- Starring: Akira Kubo, Jun Tazaki, Yukiko Kobayashi
- Writer: Ishirô Honda, Takeshi Kimura
- Director: Ishirô Honda, Jun Fukuda
- Available countries: Japan