Revealing mistake: When Louis goes to give Gage the shot, if you look closely, you can see that the needle is just a fake prop and doesn't leave a puncture mark.
Pet Sematary (1989)
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Directed by: Mary Lambert
Starring: Dale Midkiff, Denise Crosby, Fred Gwynne, Brad Greenquist
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More mistakes in Pet Sematary
Louis Creed: Hey, why are you here?
Victor Pascow: I want to help you because, Louis? Because you tried to help me.
Question: Why did Louis kill Church at the end? He only planned on killing Gage if he came back like Timmy Baterman did, and he could have just walked in after distracting Church with the meat.
Answer: I think he was testing whatever was in the syringe on Church first to make sure it would actually kill them.
Chosen answer: Church's behavior had changed after being buried. He was now violent (and working with Gage) and needed to be put down before killing anyone.
Bishop73