- Country: Italy, Yugoslavia
- Genres: Action, Adventure, Fantasy
- Release: 1962-04-25
- Director: Guido Malatesta
- Writers: Arpad DeRiso , Guido Malatesta
- Language: Italian
- Stars: Reg Lewis , Reg Lewis , Reg Lewis , Margaret Lee , Luciano Marin , Andrea Aureli , Birgit Bergen , Nello Pazzafini , Maria Kent , Fulvia Gasser , Rocco Spataro , Domenico Maggio
- Runtime: 82 min
- Awards: N/A
- AKA: Maciste contra los monstruos (Chile) , Fire Monsters Against the Son of Hercules (United States of America) , Maciste contro i mostri , Colossus of the Stone Age (United Kingdom) , Germanicus in der Unterwelt , O masistas enantion ton teraton (Greece) , Maciste in het Stenen Tijdperk (Netherlands the) , Fuans barbarische Horden , Germanicus in der Unterwelt (Germany) , Maciste contre les monstres (Belgium) , Masist Canavarlara Karşı (Turkey) , Maciste Contra os Monstros (Brazil) , Maciste contre les monstres (France, French Republic) , Maciste contro i mostri (Italy) , Fire Monsters Against the Son of Hercules (Canada) , Imitheoi enantion giganton (Greece) , Maciste contra los monstruos (Spain) , Land of the Monsters (United Kingdom) , Maciste contra los monstruos (Mexico)
- Plot: Wandering strongman Maxxus comes upon two warring tribes, the Sun worshipers and the Moon worshipers. He saves the leader of the Sun tribe from a sea monster, then later on when the Moon tribe attacks and kidnaps the Sun tribe's women, they call upon Maxxus for help.
- IMDB:tt0057270
Colossus of the Stone Age Cast · · · ALL
Guido Malatesta
Director
Margaret Lee
Moah
Birgit Bergen
Agmir
Luciano Marin
Aydar of the Sun People
Andrea Aureli
Rhea
Nello Pazzafini
Chief of the Cave People