Based on

Movies like Godzilla (1977)

A re-edited Italian-language dubbed version of the original Godzilla, using as a basis the U.S. version, "Godzilla, King of the Monsters!" (1956), plus WWII newsreel footage and clips from other science fiction films. The re-edited film was then colorized via a process called "Spectrorama 70" consisting of applying various colored gels to the black and white footage. The film's opening and ending also features new music composed by musicians Fabio Frizzi, Franco Bixio, and Vince Tempera (under the pseudonym Magnetic System).