Nazi paratroops land in a lost jungle city and threaten the life of its princess, leaving the vine-swinging hero with no choice but to foil their invasion plans. But it is down to chimpanzee sidekick Cheetah to pull the ultimate masterstroke. Adventure, starring Johnny Weissmuller, Johnny Sheffield, Frances Gifford and Stanley Ridges.

Zandra, white princess of a lost civilization, comes to Tarzan for help when Nazis invade the jungle with plans to conquer her people and take their wealth. Tarzan, the isolationist, becomes involved after the Nazis shoot at him and capture Boy: "Now Tarzan make war!"