The Donna Reed Show

Season 3, Episode 2

Episode Title: The Mystery Woman

Air Date: 1960-09-22

Overview:

A lady spots Donna and Mary having lunch in a restaurant, so she stops to say hello. She recognized Donna, even though ""it's been 13 years."" Donna doesn't recognize her but is polite and too embarrassed to ask her name. Later, Donna realizes she must find out who the mystery woman was.