An egg shaped rock appears after an avalanche. Several forest animals are curious. Lightning strikes the object, turning it into a real dinosaur egg. A tiny T-Rex hatches. The animals decide to call him Toby. They soon learn that he is an extinct Tyrannosaurs Rex. All goes well until humans become aware that a dinosaur exists. They try to capture Toby. But animal trickery keeps him safe. The story ends as lightning strikes another egg.
