The Title Of The Doris Day Show With Doris singing a bar or so to "Que Sera Sera", which maybe the song most likely to be best known hit of her's. After the vocal came just music.
Season One had children singing some of the song.
What Was The Reason On Fran Ryan's Quick Departure? Barbara Pepper (the first Mrs. Ziffel on Green Acres) was sick, Fran took over the role.