Visible crew/equipment: When Annie jumps from Mrs. Voorhees' jeep, a white elbow pad can be clearly seen on her right elbow.

Revealing: In the beginning, Claudette and the other counsellors are all singing. When they get closer you can see that Claudette is playing the guitar, then she stops, but the guitar playing and singing still continues.

Continuity: When the two teenagers find the axe in the bed, the axe is perfectly clean despite the fact it had been shoved through a girl's head. Furthermore, it also looks brand new with a fresh coat of polish on it as well.

Revealing: When Ned is pretending to drown, Brenda swims out to rescue him. You can clearly see that she and Ned stay underwater for a few second, until their cue to emerge.

Continuity: When the kids are at the beach, Alice shows up saying "Hey you guys. Ready to get back to work?", while placing her foot on a red towel. When it cuts the towel has changed position.

Audio problem: When the kid is playing classic guitar the movement on the guitar's neck doesn't match the music. He somehow manage to play high tones on low frets.