* AlternativeCharacterInterpretation: In the later books, how many of the people who come to Wilford Wiggins's latest scam are actually gullible enough to believe he has something, and how many are there [[PassThePopcorn just to see Encyclopedia pop the proverbial bubble]]?
* RecycledScript: Some of the mysteries also appear in ''Two-Minute Mysteries'' by the same author.
* ToyShip: Encyclopedia and Sally in {{Fanon}}. Obviously.
* UnintentionalPeriodPiece: The 1989 TV series has this. An example is Encyclopedia wearing a blazer with the sleeves rolled up; that just practically screams 1980s.
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