Several scenes were deleted from the final film including a longer dialog scene with Tina and Dad on a porch and also Dad and Randy having a brief moment together inside the house, near the climax of the film.
Having destroyed his assistant director's carpet with fake blood, Klein won enough money off the Super Bowl to help pay for new carpeting.
The dead squirrel in the movie is actually a real dead squirrel. James Klein couldn't find a realistic looking dead animal and found whatever road kill he could find on the road.