In a Asian desert, a team of explorers learn of a newly discovered cave system and set out to explore it. However as soon as they begin the descent, it becomes clear that this was a secret that should have remained below the surface.
In 1861, miner Galen Clark (Denver Pyle) learns he has consumption and decides to travel west in his final months. During the journey, he meets naturalist John Muir (John Dehner), who encourages him to live. Along with Native American Teneiya (Don Shanks), Galen builds a cabin and settles with his daughter, Kathleen (Cheryl Miller). When loggers threaten to destroy their community and the forest, Galen joins forces with Muir and Teneiya to advocate for the area's preservation as Yosemite Park.
John Considine plays the flamboyant Dr. Death, a thousand-year-old magician who has mastered he art of transferring souls from one body to another and thereby manages to perpetuate himself by jumping from one body to the next. Apparently the Doc is a kindred spirit since his blood is a highly-corrosive acid that can strip flesh from bone
When a native village is apparently terrorized by a Lion, the local sergeant enlists the help of a veterinarian working at a nearby animal study center. It is soon discovered that the Lion has a unique problem, it has double vision due to the fact that it is cross eyed and therefore cannot hunt. The Lion is taken back to the study center and is soon adopted by the vet's daughter. Meanwhile, a dangerous criminal is planning to capture young Gorillas and sell them on the black market...
Just discharged from the Marine Corps, Oscar Kilroy arrives in the small town of Wilton Junction. Befriending the young Bill Fuller, he gets involved in the affairs of the town and hilarity ensues. The mayor of the city, fearing Oscar Kilroy's popularity, schemes to discredit him by entrusting the management of the city dog pound to him. However, against all odds, Oscar Kilroy takes his work to heart at the pound and implements a plan to save the condemned dogs.