Jack McConkie makes a find of Beryllium, a rare ore. Mine operator Fred Durant insists that he sell his claim. The old man refuses and is found badly beaten. Filming Location: Eureka, Arizona

The boys get jobs at the Weeki Wachee theme park in Florida. The park show features girls dressed as mermaids performing underwater. A shy girl Elissa emerges from the water and after demonstrating amazing underwater swimming talent is hired for the show. She talks about ""coming from the sea"" and implies that she is a real mermaid. Skeptical Tod falls for her but assumes that she just wants publicity to launch a movie career. Linc has a more open mind and believes her. Tod discovers too late that she was telling the truth. Filming Location: Weeki-Wachee and Crystal River, Florida. Hotel credited: Port Paradise Hotel in Crystal River.