A dog jumps up and down in front of an open door because he doesn't realize he can't walk in.
A teen girl scares a man when he sees her through a door in an empty building. The man screams and falls to the floor.
A man slips and falls down the front steps of a house, and tosses a step ladder in the air.
A teen boy rides his bicycle off a ramp in slow motion and he falls off of it, then it flips over and he hits his groin when he lands on the bike in a creek.