The film is the fourth and last of Hammer's "Cave Girl" sequence of films, preceded by One Million Years B.C. (1966) (also directed by Don Chaffey), Slave Girls (1967) and When Dinosaurs Ruled the Earth (1970).
Thirty Years' War | Seven Years' War | Hundred Years' War | The Six Million Dollar Man | Eighty Years' War | Million Dollar Baby | Seven Years in Tibet | Seven Years in Tibet (1997 film) | One Hundred Years of Solitude | IB Primary Years Programme | Ten Years After | Nine Years' War | IB Middle Years Programme | Two Years Before the Mast | Two in a Million/You're My Number One | The Last Five Years | The Impossible Years | The Decline of Western Civilization Part II: The Metal Years | Ten Years' War | Poker Million | Million Dead | Donkeys' Years | A Thousand Years of Good Prayers | These Happy Golden Years | The Best Years of Our Lives | One Million B.C. | Million Man March | Million | light years | Fifty Million Frenchmen (film) |