A giant disembodied hand terrorizes the town of Mesa-ville, and it's up to Dr. Gaunt to save the town.; Hunters Steve and Jed while trying to locate an elephant for a zoo, find a full grown elephant in miniature size, and an entranceway to a hidden valley. In the valley an active volcano is spewing a gas that appears to alter the size of living things. Thinking they'll make money selling the animals, they start collecting them. But when it's time to leave, the animals have other ideas.; A group of raiders bungles an attack on a Venusian freighter, and then seeks refuge on Earth. Lor doesn't land so much as crash, and ends up being rescued by an elderly couple. When he locates his teammates, they've decided to set up a permanent base on Earth, and eliminate anyone that discovers their presence. But Lor decides he must protect the elderly couple that saved him.