Herman Brix, as Tarzan, joins an expedition to a lost Mayan city hidden in the Guatemalan jungle. Their goal: the "Green Goddess," a gem-encrusted idol that contains a secret formula for a powerful explosive. Ula Holt, Frank Baker co-star; produced by Edgar Rice Burroughs. 12 episodes; 3 3/4 hrs. total. Standard; Soundtrack: English.