The second I couldn't make it through.

What a scary idea.

I haven't seen anything past FD3, but that was the movie that caused my cousin the electrician to tell me there wasn't enough alcohol in the world.

It was remarkably low-tech, playing off audience assumptions--they just cut a machete to fit around the actor's arm.

In fact, the entire film was excellent, a wonderful end to the series.

Make a corpse out of a plastic skeleton in an hour, using mostly plastic dropcloths, a heat gun and dark wood stain.

putting creepy pranking in the hands of the masses

Also: If the wooden bleachers you're sitting on are breaking into jagged splinters when someone steps on them, and the concrete in the part of the stands above you is crumbling in response to vibration, you don't need any psychic vision of death to know that being elsewhere is an excellent idea.