Emergency! S04E17 - Kidding

John is assigned to conduct a tour of Rampart with several very inquisitive fifth-graders. A Vietnam War veteran thought to be suffering from PTSD is holding his wife at knifepoint; after the paramedics subdue him, the ER doctors determine he has a brain tumor. A woman gets stuck in a dog door. A famous novelist attempts suicide because he feels the new generation does not know him; when John's tour encounters the author, who is surprised. Dixie tells John that she used to watch a movie based on one of the author's books. A cargo plane crashes in a residential area, hitting a school bus.