Paula Stewart would co-star with Lucy in the Broadway show "Wildcat" as Lucy's little sister. She would later make appearances on "The Lucy Show" and form a lifelong friendship with Lucy. She also wrote a book about her experiences with Lucy as well recently.
Don't you remember your children? Mr. Mooney?
Lucy Carmichael: I have a child named Mr. Mooney?
When the series was first rerun in syndication in 1968, all episodes featured the season 4 opening sequence. These versions were also syndicated in the 1990s. When show was syndicated in the 1970s, the original versions were used.