is a 1968 Japanese epic kaiju film directed by Ishirō Honda, with special effects directed by Sadamasa Arikawa and supervised by Eiji Tsuburaya. Produced and distributed by Toho Co., Ltd, it is the ninth film in the Godzilla franchise, and stars Akira Kubo, Jun Tazaki, Yukiko Kobayashi and Yoshio Tsuchiya. In the film, a race of malevolent aliens called the "Kilaaks" release giant monsters across the world, forcing authorities to investigate their potential weaknesses and regain control of the monsters.

Plot

At the end of the 20th century, all of the Earth's monsters have been collected by the United Nations Science Committee and confined in an area known as Monsterland, located in the Ogasawara island chain. A special control center is constructed underneath the island to ensure that the monsters stay secure and to serve as a research facility to study them.