The Donna Reed Show (1958)

S03E02 The Mystery Woman

Title: The Enigmatic Stranger Plot: While enjoying lunch at a café, Donna and Mary are approached by a woman who greets them warmly. The stranger recognizes Donna, despite the fact that “it’s been 13 years.” However, Donna doesn’t recall her and feels awkward about not knowing her name. As their meal continues, Donna becomes increasingly curious about the identity of this mysterious woman and decides she must uncover who she is.