* 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 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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