The New Adventures of Huckleberry Finn (1968)

The Ancient Valley (1x11)

Air date: Dec 15, 1968

Tom, Huck and Becky fly in a balloon to a Prehistoric valley. A spear throwing tribe are at war with a rock throwing tribe. Becky tries to stop this useless war, but the three are captured by a mountain tribe. They make their escape after disposing of the mountain chieftain.