Alex and his robot Ten-Ping discover the lifestyle of frogs, starting from what their early stages of life is like and what types of food they eat. Various shots of frogs, tadpoles, and frog eggs. Alex discovers all types of facts about frogs, including how they reproduce, what type of species they are, and what their bone structure is like. Alex compares the body build of alligators to frogs. Various shots of alligators are shown.