Dr. Tracy pays a visit to two Frenchman who say they are paleontologists, but who are actually diamond smugglers.

A sick circus bear escapes into the bush, and Dr. Tracy tries to find it before worried local ranchers kill it, fearful that it will contaminate their water supply.

A man on the run from the law slips into Wameru to retrieve stolen loot he had buried there previously. What he doesn't know is that Judy the chimp had already found it and dug it up, and that Dr. Tra…

The staff at Wameru is treating a sick baby elephant, and Paula is distrustful of her father's visiting college mentor, who is too interested in finding the secret of the elephant graveyard.