Character mistake: While Khan is "interviewing" Chekhov and Terrell, he stated, "On Earth, two hundred years ago, I was a prince, with power over millions." The official date for this movie is 2285. That would place Khan on earth around 2085 by this statement. However, it is made clear in the episode "Space Seed" that Khan and his followers escaped earth in the year 1996: nearly one hundred years earlier. Quite a way off to be a rounding error. (00:21:45)
Suggested correction: I don't believe the earth year had been established when this movie was made and it was something the franchise applied to itself retroactively later on.
Character mistake: When the deputies chase Rambo in the forest, sometimes Teasle refers to Shingleton as Shingleton, but sometimes he calls him Singleton.
Character mistake: When Deckard is talking to the street merchant trying to identify the snake scale, the identification number he reads aloud is not the number that shows on the monitor. (00:47:30)
Character mistake: During Mickey's MI it's stated that his blood pressure is 200/50 (that alone is ridiculous) and the doctor immediately says "OK. Let's start CPR." If Mickey has a BP he has a pulse, and any CPR certified healthcare provider would know that you can't do CPR on a patient with a pulse.
Character mistake: After Kersey has killed Nirvana in the hospital, the attendant arrives in the room. When the attendant finds Nirvana dead, Kersey tells him that he raped and killed his daughter. But it was PunkCut who raped her.
Character mistake: During the surgery, one of the surgeons says to give the patient 25 cc's of cyatril. Then one says make it 35 cc's. 35 cc's (or 35 mL) is a full large syringe. The other doctor uses what looks like a 3 mL syringe and it's only partly filled. It seems the surgeons wanted 0.35 cc's.