A man argues with another man in a garage that he can jump over the sensor for the garage door while it closes and the door won't stop. He demonstrates and hits his head on the door.
A woman waxes the back of her husband's neck and then rips the paper off and he smacks the table and shouts, "oh God!"
Two young men bounce exercise balls around a gym and one of them throws his and hits the other one in the face.
A man spins a boy and young girl in circles on a playground structure and the girl falls off.
Two teen boys pull ropes to collapse a deck in the yard and part of it breaks, but the rest of it stays up. At 4:20, one of them uses an ax to break the support beam and the whole thing falls on him.
A young girl scratches another young girl's head with a head scratch tool. A metal piece from the tool pokes the girl's eye.