King Kong vs. Godzilla is a 1962 Japanese kaiju film directed by Ishirō Honda, with special effects by Eiji Tsuburaya. Produced and distributed by Toho Co., Ltd, it is the third film in both the Godzilla and King Kong franchises, as well as the first Toho-produced film featuring King Kong. It is also the first time that each character appeared on film in color and widescreen. The film stars Tadao Takashima, Kenji Sahara, Yū Fujiki, Ichirō Arishima, and Mie Hama, with Shoichi Hirose as King Kong and Haruo Nakajima as Godzilla. In the film, Godzilla is reawakened by an American submarine and a pharmaceutical company captures King Kong for promotional uses, culminating in a battle on Mount Fuji.

Kaiju is a Japanese term that is commonly associated with media involving giant monsters. A subgenre of science fiction, it was created by Eiji Tsuburaya and Ishirō Honda. The term can also refer to the giant monsters themselves, which are usually depicted attacking major cities and battling either the military or other monsters.