 When John and Carol are sitting at the red light, the car full of  girls pulls up next to them, one of the girls throws a water balloon  through the window and it hits Carol (Mackenzie Phillips (qv)). It  was scripted to hit the side window and drench Phillips face, who  was then supposed to act really angry. However, she was accidentally  hit square in the face and unable to refrain from laughing. Still,  she kept going, ad