Steven vomits up a gross, formless organism. It rolls under the bed, causing it to shake, then turns into a terrifying creature.
The ghosts attack the family while in the car in the garage, a major scene shows the crescent wrenches methodically smashing the headlights. Then the car breaks through the garage door and drives away.
Flashbacks of the first "Poltergeist," (the coffins coming out of the ground and the house colliding into a ball.)
Wires come out of Robbie's braces and start trapping him with the wires.
When Steven goes to sit down on a chair, he gets startled by lightening and is flung across the room.
Steven is thrown through his bedroom door by a creature.