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I Know What You Did Last Summer (1997) Poster

Goofs

Audio/visual unsynchronised 

(at around 1h 30 mins) In the final battle, the fisherman is swinging the hook at Julie but hitting nothing but air. Yet the hook still makes the overused Hollywood "metal on metal" sound despite it not coming in contact with anything.
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Continuity 

(at around 1h 30 mins) Near the end of the movie, in the final confrontation, Ray (Freddie Prinze Jr.) is knocked off the fishing trawler. He manages to snag the net, climb back on board the boat. He is completely dry.
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(at around 45 mins) When Julie and Helen are looking at David Egan's obituary, it mentions that he was 28 when he died. But when they go to see David's sister, she says that he was Class of '92 at the high school. So that would make him 23 when he graduated.
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(at around 59 mins) When the body is found in the trunk, its throat is clearly intact, contradicting its gruesome demise (at around 38 mins).
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(at around 57 mins) The mirror when Helen is smashing it.
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Crew or equipment visible 

(at around 1h 17 mins) When Helen is running from the killer, when she approaches the front door of the store, the cameraman is reflected in the glass.
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Errors in geography 

Although the action takes place on the east coast of the USA in North Carolina, at the very beginning of the movie we see the sun setting over the ocean.
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(at around 14 mins) As the body hit the automobile, the kids were driving on mountainous terrain along the coast. There are no mountains anywhere in the North Carolina shore area.
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Factual errors 

Helen's father's store is called Shiver's. This is grammatically incorrect, as it should either be called Shivers as it is the name of the family, or Shivers' or Shivers's to indicate that it is owned by the family. It being called Shiver's implies that the family's last name is Shiver.
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Miscellaneous 

(at around 56 mins) When Helen goes to sleep the bow on her lamp shade is facing the end of the bed but when she wakes up it is facing the wall behind her.
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Revealing mistakes 

(at around 1h 30 mins) When Julie is in the room filled with ice, it jiggles when she moves it (it was made of gelatin).
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(at around 45 mins) David Egan's obituary says he died on Wednesday July 5th 1997, but in 1997, July 5th was a Saturday.
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Barry punches different people more than once with his right arm, though it is supposed to be hurt and in a cast, and doesn't express any pain.
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When Helen and Julie are researching David Egan on her computer, the browser shows the URL as "//http:cnty457.lib.org". It should of course be "http://cnty457.lib.org".
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Spoilers 

The goof item below may give away important plot points.

Revealing mistakes 

(at around 1h 12 mins) When Barry is murdered at the pageant, it's obviously a very brutal attack using a hook. Yet mere minutes later, the police can find no sign of blood in the balcony. This would not be possible.
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See also

Trivia | Crazy Credits | Quotes | Alternate Versions | Connections | Soundtracks

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