An ice cube with nanobots is shoved into a man's mouth, he writhes, convulses and we hear crunching as the bots are released (presumably they eat him up from the inside out), and we see the man shriveling and disintegrating.
A young boy is left alone in a car, he releases the emergency brake, the car rolls down a hill through traffic, and a teenager on a skateboard chases the car, holds onto the grill and ends up in front of the car and onto the hood of the car, the car nearly hits a truck and other cars, the teenager climbs in the car through the sunroof, pulls the brake and stops the car just as it arrives at a train crossing.
A man (with a charred and bloody ear and face) shoves a teenager near a cliff, and they struggle and fight, the teen jumps from one ledge to another, the man is strapped into a flying machine and takes off, while the teen jumps and catches onto the leg of a helicopter.
A teenager kicks and punches several other teenage boys who are trying to bully him.
Two teens (a boy and a girl) are approached by bad guys in a diner; they run through the restaurant, across a counter top, and through a kitchen -- where the boy beats a couple of the men with frying pans but is eventually punched hard in the face (we see him with a bloody and bruised eye).
A woman punches and kicks several men.
A teen girl is held by a man who holds an ice cube filled with nanobots that begins to melt on her forehead. Explosions are set off and a structure with people inside begins to crumble.
A teenager races down from a snow-covered peak on a rocket powered snow board: Two men chase him on snowmobiles, one is knocked off and his pants are set on fire by the rockets, and the other is knocked off by a tree limb, while the teen sails over a cliff, gets stuck in a tree, falls and lands hard on the ground.
A teenager is zapped with an electric charge and he falls on the floor and smolders, and several men are also zapped.
A boy and a woman spar with punches, kicks and flips.
A teen girl is kidnapped and forced into a car.
A teenager sneaks into a laboratory, dangles from a cord (the room is full of motion sensors), walks across a ceiling, falls on the floor setting off alarms and scrambles to get away from men chasing him.
A teenager is thrown into a swimming pool by other boys.
A teenager daydreams about beating up another teen boy with punches and kicks that send him sliding across a desk full of glass beakers.
We see a video where a man is presumably attacked and we hear him struggling and yelling.
A woman flicks teenaged boys with a towel and one is hit in the groin.
A teen girl falls off a ladder and slides down a banner to the ground (she hurts her ankle).
A man skewers a plastic seal with a fork (it squeaks).
A teenager drives recklessly through obstacles in a Drivers Ed class, and another teenager crashes into obstacles.
A man yells at people in several scenes.
We hear a man gagging and see his chin and shirt covered with vomit, a dog urinates on a man's shoe, a man holds up a bag of dog excrement, and a man flatulates in a crowded van and everyone reacts to the odor.
A boy has a bloody cut on his cheek, and we see a man with a large, jagged scar on his throat and a clouded eye.