* EveryoneIsJesusInPurgatory: Nicholas Wroe says in the prologue for ''Literature/TheSalmonOfDoubt'' that this book can be easily read as being about people who are homeless, displaced and alienated from society.
* SugarWiki/MostWonderfulSound: In the BBC Radio adaptation, Dirk's I Ching calculator uses the same sound effect as the Guide itself in ''Radio/TheHitchhikersGuideToTheGalaxy1978''.
* UnintentionalPeriodPiece: Record players, airline checking in at the airport itself and pizza places not delivering definitely places this in the near past.
* ViewersAreGeniuses: Even if you're British, the description of the [[spoiler:RAF logo]] on the eagle's wings is hard to envision properly.
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