Katie's triplets are spotted by a talent scout for a production company and are selected to appear in a television commercial. The temperemental Director yells when the boys misbehave and make a shambles of the studio.  Grandfather Steve is asked to replace the actor doing the same so the boys will feel at ease.
               
              
                Casts: 
                Fred MacMurray, Don Grady, Barry Livingston, Stanley Livingston, William Demarest, Beverly Garland, Tina Cole