Suffering from amnesia, Kaänga becomes King Tongo's chief warrior and assists in the capture of a group of monks and Ann. Ann's voice restores Kaänga's memory and he frees the captives and ensures Tonga's death at the hands of his pet elephant.; Tabu dispatches some unscrupulous diamond miners by hurling them off a cliff to their death.; Mark Lord captures 50,000 giant royal panthers to use in his plan to destroy civilization by loosing them on the streets of New York. Fantomah takes the panthers back to the jungle and then transforms Lord into a caveman to await his fate at the hands of the panthers.; Terry must retake his fort after it is captured by Arabs led by a treacherous soldier.; Zittler, planning on stealing native land, hypnotizes Wambi and passes him off to one group of natives as a god. Wambi's jungle friends realize that something is wrong and take Wambi to a nearby waterhole where they restore his will. Then Wambi and his friends expose Zittler's chicanery and induce the warring natives to peaceful relations.; Sir Champions saves the city from a herd of stampeding elephants who had been set on the city by Arab slavers.; Roy puts a stop to the brutal treatment by a jungle rubber company of their native employees.; A mad scientist develops a process for granting humans super-human strength at the cost of their minds. The Panther forces the scientist to reverse the process. The scientist then perishes in a laboratory explosion.; Simba assists a pair of missionaries in disposing of a white gang of slavers.