A worn out George starts to feel old and decides to go on a diet and exercise program. When visiting a nutrition store, the owner successfully tests a youth tonic on one of his lab animals. George manages to make off with some of it. But when he tries it out, it works too well as he's as young as his son, and actually attending school with him!
Elenco: Jean Vander Pyl , Janet Waldo , George O'Hanlon , Penny Singleton , Daws Butler , Don Messick , Mel Blanc , Frank Welker , Tony Pope , Avery Schreiber , Frank Welker , Ruth Buzzi , Allan Lurie , Dick Beals , Chick Vennera , Gregg Berger , Phil Hartman , Lorenzo Music .