Penney and Pokey secretly leave home as they feel they are preventing Michael's marriage to a fashionable stewardess. A frantic search for the missing girls ensues.

Poignant good-byes are in the offing as the Endicotts tend two birds about to leave the nest: and injured dove – and Allison, who's being groomed for an art scholarship in Paris.

Signora Vitale's very pregnant niece Christina is visiting and unexpectedly goes into labor. The Endicott household is thrown into an uproar, a doctor is unavailable and Grandpa Pruitt's dubious delivery skills are called upon.