Continuity mistake: During the scene where Jason kills the couple in the volkswagen and again during the police chase it goes from night to day to night again. (00:13:00)
Continuity mistake: Jason's machete disappears from his hand as he walks after Steven through the woods.
Continuity mistake: When the sheriff first drives into the camp, the red and blue lights on top of his police car change position from shot to shot.
Continuity mistake: During the scene where Jason kills Court while Court is driving the motorhome, watch as Jason removes the knife from a sheath on his right side to kill Court. Then, the motorhome crashes and Jason exits. When Jason exits and stands on the motorhome, you can see the same exact knife in the sheath on his right side again.
Continuity mistake: In Part V the Sheriff says Jason was cremated, which would mean there would be no body to "bring back" for this film.
Continuity mistake: In the film Cort is making out with Nikki in the motor home and his tank top rolls up and it's above his nipples. In the following shot the shirt is rolled back down again. (00:33:45)
Continuity mistake: The sheriff shoots Jason in the head with his revolver and makes a hole by Jason's right eye. Jason pulls Tommy underwater and begins to choke him and Tommy passes out. There is a close up of Jason's face and the bullet hole is now gone. When Megan tries to save Tommy she cuts Jason's throat with the boat propeller and the bullet hole is visible again on Jason's mask. (01:07:25 - 01:18:00)