Professor Carter, Mike and Jill change to micro-size near a pond so that they can get a closer look at a bullfrog, except a predacious hawk is tailing them.
Professor Carter, Mike and Jill change to micro-size by the wreckage of a rocket in order to locate a minuscule microchip, but a Gila monster stands in their way.
Professor Carter, Mike and Jill change to micro-size in their backyard to help Jill with her entomology project. There is much danger on the journey, especially from a cat.
Professor Carter, Mike, and Jill change to micro-size to observe an ant colony. Then an Amazon ant attack on the colony occurs.
