Other mistake: When Sheriff Tucker shows Pam the newspaper clippings taken from Roy's wallet, plainly two of three columns in the article are identical and have nothing to do with Jason. (01:21:35)
Plot hole: When the cop shows Pam the newspaper clippings they include what look to be fresh photos of the real Jason from the events of Part IV, yet no photographer is ever seen taking pictures of Jason alive in the previous films and most likely wouldn't live long enough to publish the photo. (01:25:00)
Suggested correction: The picture was taken from security footage at the hospital after killing the 2 employees.
It was never shown.
Plot hole: When the couple go into the woods to have sex, after they finish, the guy goes to a pond to clean up, which is not very far from where he left his girlfriend. A couple minutes later, "Jason" is about to kill her, and she screams very loudly. Despite this he doesn't hear her.
Suggested correction: 1st we don't know how far the pond is from where they had sex. 2nd you notice his hair was wet. He could have been underwater when she screamed.
Other mistake: When Jason slices Pete's throat from the back seat with the machete, it goes deep, and blood should be gushing from Pete's jugular. But in the following shot, the edge of the knife has barely grazed the rest of Pete's throat, leaving only a fake trail of dried blood.
Continuity mistake: We see Vic outside the halfway house, just starting to chop a 4-foot log with a double-bit axe. In the same scene a few moments later, as Joey approaches, Vic has chopped about a third of the way through the log. Problem is, it's a completely different log (different shape, texture and color).
Revealing mistake: Right after he gets off the tractor, Reggie's clothes appear to be dry, but he was out in the rain.
Other mistake: After Raymond gets stabbed by Roy and falls dead, there is no blood visible on his body.
Other mistake: It seems unlikely that the police would have let Tommy keep Roy's hockey mask, as it's evidence.
Suggested correction: Already listed and corrected. It is possible that it was actually Tommy's dream.
Other mistake: After noticing that Tina is dead, Eddie fearfully backs away and leans against the tree. You can see Roy put the leather up and over the tree. This is impossible. He would have to whip it around the tree, not over it.
Revealing mistake: During several of the deaths committed by the impostor, look closely. The shirt sleeves are dark green instead of the dark blue sleeves of the jumpsuit the impostor wears. Clearly Tom Morga, the hallucination of Jason, did these scenes instead of Dick Wieand, Roy Burns/impostor Jason.
Continuity mistake: The handle of the machete Jason stabs both grave digger guys with changes between shots. As he stabs the 1st guy, the handle is tripoint, but as he stabs the 2nd guy through the neck then pulls back, the handle now has a rounded end like a wooden peg.
Continuity mistake: As Tommy reaches Jason's grave, he hears laughter and voices coming from the woods. As the voices move closer we see lights in the clearing. Tommy runs off in the bushes to hide. Moments later, two guys with flashlights and shovels suddenly rush in, from the opposite left, instead of the clearing path at the right, from where they were.
Continuity mistake: While Eddie is being killed, in the second shot, there's a blood driblet on his bottom lip. In the next shot, his bottom lip is clean without any blood residue.
Continuity mistake: When Lana is hit by the axe, it hits her horizontally, but in the shot of her corpse, it is shown vertically.
Continuity mistake: After Pam runs out of the house towards the barn, she sees Roy coming, and then she trips, as she crawls her shirt sleeves are rolled up, but they weren't before she tripped.
Revealing mistake: When Pam is out looking for everybody, when they show her inside the truck, her hands don't appear to be on the wheel.
