Blood disappears and reappears on the wall beside Lauren and her.
The Cretins park their monster trucks on the school's stairway, which disappear in an establishing shot of the high school.
While in the shower, Lauren either cups her hand with blood or green slime.
Herzkauf breaks the seat of a red chair, which changes damage in two different shots.
Lauren expels blood and green slime all over the locker room walls; however in later shots, the walls are immaculate save for the tiled floor.
On the scrolling text during Talking Tromaville, the website "CHRISTIANMINGLE.COM" is misspelled as "CHRISTIANMINLGE.COM".
Tubing is visible behind Lauren, when she lactates amidst the bloodied girls' gym locker room.
During the Talking Tromaville broadcast, flecks of green screen appear behind Charla Day.
The exact same shot of Tromaville High School is recycled a few times.
A baby cries in the school hallway massacre scene, yet his sounds do not sync up with the visuals.
When Eugene 'The Machine' McCormack apologizes to Chrissy, the camera crew and boom microphone is vaguely reflected in his sunglasses.