Goofs

Hummus pours white gravy onto the bun of a Sloppy Jose, which disappears in the next shot.

As the drunken Chief Whats-His-Face was bought out to the front, in which he soon vomited; that vomit disappears shortly when Arbie pulls out a song and dance number.

After Jared leaves the bathroom a hideous mess, Arbie calls it to Denny's attention. When Denny hands to mop to Arbie to clean it up, the mop is really dirty. When Arbie begins to clean, the mop is spotless.

The blood disappears from Arbie's face, after he gets brutally punched by a zombified Mature Arbie.

When Jared has projectile diarrhea, he falls off the toilet as fecal matter sprays onto a wall. In the next shots, the fecal matter has evaporated.

A cantaloupe is clearly used for when Father O'Houlihan's head gets crushed; an artifical wig and pair of glasses are put over it, plus the head stump is visible.

A glimpse of a someone's hand can be briefly seen moving up and down from behind the gallon of gravy, pumping the fluids into the buckets of chicken.

Visible wires on the chicken nuggets when they jump on a customer's face.

Obvious dummies of the Peeper's head and buttocks in the beginning.

Before the restaurant explodes in the finale, the color of the restaurant on one side is clearly dim revealing that a photograph was actually placed in front of the building to match it up and then was blown up. This can be noticeable in a few frames, twice.

The camera's shadow can be clearly seen on one of the gravestones, while Arbie and Wendy are having sex in the beginning of the film.

(at around 30 mins) The camera crew is briefly reflected on the General's van as it pulls away.

Camera shadow visible, when Micki tries to escape from the restaurant via car in the Colonel Cluck disguise.