Diane's nick-name for Dick was "Scooter" because he used to ride one.
One of Dick's books is titled "Shelf Help".
Shelly Fabares goes On to Play Christine Armstrong on Coach Starting Craig T. Nelson also produced by Barry Kemp
Bob Newhart is actually some 15 years older than Shelly Fabares, so the"college" marriage proposal connection would've been a bit creepy.