Two women ride an inflatable tube tied to a boat on a lake, then it bounces up, and they fall in the water.
A man covers his head and neck while another man jumps on to an air mattress to make him hit his head on a cabinet.
A tot boy jumps on a pump for a toy rocket launcher in the living room and the rocket shoots out and hits him in the face.
A man pumps water into a rocket outdoors and after a woman says that they'll get soaked with water when it launches, the man triggers the rocket and it barely bounces off the ground before falling over.