Katie (
Tina Cole) feels like she is getting as big as a house, even bigger than her pregnant friend Lisa (
Barbara Boles), who is over due. While Robbie (
Don Grady) is away on military reserve training (again!), Steve (
Fred MacMurray) takes Katie to her OB appointment, where her doctor (
Leon Ames) reveals why she is getting so large - Katie is having more than one baby. Katie doesn't want anyone to know before she can tell Robbie, but she's already getting her first labor pains and Robbie cannot be contacted.
—S Sather