The word Fred spells in scrabble "ZARF" is an actual word, meaning: "(especially in the Middle East) a holder, usually ornamental, for a hot coffee cup".
The title refers to Princeton University, a private university located in Princeton, New Jersey and one of the eight universities of the Ivy League, and one of the nine Colonial Colleges founded before the American Revolution.
ABC originally broadcast this episode in black and white.
The character design for Mr. Slate is significantly different from the more fan-familiar design used in later episodes.
The play-by-play announcer gives Fred's height as 5 feet tall.