Dr. Faber delivered Oliver when he was born.
Oliver states their New York Address is 10016 Park Avenue.
This is the fifth of six appearances Bea Benaderet makes in the series, always playing Kate Bradley from that same starring role in the TV sitcom Petticoat Junction (1963).
Adjusted for inflation, the $3.95 Mr. Haney charges for the 'Grecian urn' would equal approximately $38 in the year 2023. The 25 cents he charges for copies of his poem would equal approximately $2.40.
As an anniversary gift, Mr. Haney gives Oliver and Lisa a South American rubber plant. However, the "genuine Grecian urn" to put it in costs them $3.95.