Overview: During World War I, a German U-boat sinks a British ship and takes the survivors on board. After it takes a wrong turn, the submarine takes them to the unknown land of Caprona, where they find dinosaurs and neanderthals.
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Release: Jan 01, 1970Runtime: Revenue - minutesQuality: HDIMDb: / 10 by usersPopularity: Budget: $Revenue: $Language: