A cast of quirky critters and Mother Nature herself narrate this funny science series, which peeks into the lives of Earth's most incredible animals.

Traumatized and suffering from amnesia after witnessing a terrible accident, a man who calls himself P.J. is admitted to a hospital, where psychiatrist Alan Shearson tries to get him on the path to recovery. But Dr. Shearson's boss wants to hand over the patient to the state mental ward, and the man's bitter ex-girlfriend is reluctant to help.