* BeamMeUpScotty: Dirty Harry did, in fact say "Opinions are like assholes: everybody has one." He did not, however offer any additional commentary regarding said orifices (e.g.: regarding the smell).
* BoxOfficeBomb: Budget: $31 million. Gross: $37,903,295.
* CompletelyDifferentTitle: ''Sala de Espera al Infierno'' (Hell's Waiting Room) in Latin America.
* FranchiseKiller: This was the lowest-grossing film in the series, and also its last entry.
* HeyItsThatPlace: When Molly Fisher's body is being taken out of her house, it is the same place that was used in Creator/ClintEastwood's directorial debut ''Film/PlayMistyForMe''.
* NoStuntDouble: Evan C. Kim did all of his own stunts, including the martial-arts fighting.
* OneForTheMoneyOneForTheArt: The film came about when Creator/WarnerBros greenlit and financed Creator/ClintEastwood's pet project, ''Film/{{Bird|1988}}''. Eastwood, returning the favor to the studio, agreed to make a film for them that would be commercial and carry box-office weight. Warner Bros. suggested another ''Dirty Harry'' movie.
* PropRecycling: Early in the movie, Harry walks past a series of memorial plaques to police officers of San Francisco killed in the line of duty. They are the same plaques featured in the opening of the first film.
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