5. The cat gets rabies and traps the mom in her car in the driveway.
4. The family cat dies and is replaced by a step-cat, which turns out to be a serial killer.
3. The family cat is secretly replaced by a robot that looks like the cat but has been sent from the future to kill the mom and her son.
2. The cat escapes with the children and flees through the mountains because the dad is a Nazi. There is singing.
1. The cat is crucified in a graphic fashion that I thought verged on torture porn, but returns to that life or one of its other nine lives on Easter.