Other mistake: When Walker and Michelle fall down the steps at Dede's apartment, Walker lights a match to show Michelle the matchbook. The light from the match flickers on their faces but if you watch closely you can see the match go out as soon as Walker strikes it. (00:54:45)
Other mistake: In one shot, during the lynching, the noose comes undone from the character's neck while he is hanging.
Other mistake: During the first volley from the laser satellite, Kaneda is less than 30 meters from Tetsuo. A massive explosion and fireball hundreds of meters wide is shown within seconds, but somehow, Kaneda survives despite close proximity to the blast. (01:36:00)
Other mistake: When Eddie Valiant gets thrown out of the Ink and Paint Club, he is already starting to go through the air as the gorilla moves his hands to throw him. (00:21:20)
Other mistake: Right after Heather Duke and Heather McNamara drop in on Veronica and Betty Finn playing croquet, Veronica talks to her parents about the suicides. She still has a croquet mallet in her hand, so little time can have passed. Heather Duke rushes in with a shopping bag, and tells Veronica that while at the mall they heard about Martha Dumptruck's suicide attempt. But Heather Duke had just left Veronica's house - there wasn't enough time for these events to happen.
Other mistake: Amazing how quickly the killer, armed only with a butcher's knife, could behead a guy under water before killing the other one.
Other mistake: The ship the characters use to get to Israel from Trieste is supposed to be named "San Salvatore", but the stock footage is a repeat of the exact same ship they used to get from the US to London, the St. Louis. (00:20:15)
Other mistake: The 3rd movie takes place 5 years after the original, since Kristen is still in high school this one can't take place too long after that. How does Nancy's house get so run down in only 5 or 6 years?