So not content with flying in the face of the green cross code young Greg continues to find stupid ways to get killed.
The neighbours have their tree chopped down. Lumberjack drags remains of said tree to the woodchipper, just as he's about to flick the switch guess who bolts out of this instrument of death and destruction.
I don't quite know how I would have explained it to the kids other than to show them fargo and then send them off to the therapist.