The Professor eagerly awaits the arrival of a colleague, Professor Doyle, but upon arrival all are surprised to find that Professor Doyle is a woman. Professor Robin Doyle had come to Africa to study Keewazi's tribe with the Professor. during their study, they find some of the older men to have quite startling ages (from 500 to 700) and learn about a great fountain that may be responsible for their apparent longevity. Professor Porter, who feels he's too old for Robin (he likes her), secretly sets forth to find this fountain.
Elenco: Michael T. Weiss , Olivia d'Abo , Jim Cummings , Nicollette Sheridan .